9,000 BC
--Building of the Sphinx, Great Pyramids.
--Birth of the Emperor.

8,000 BC
--Birth of Khorne, Tzeench & Nurgle (gods of chaos).

87 BC
--An early computer, the antikythera mechanism, developed.
--Antikythera mechanism lost at sea.

750-314 AD
--Roman Empire

1400?
--Eldar learn secrets of warp technology from the Slann

1400?
--Old Slann culture dies out. Slann warn Eldar of the fall

1900
--Antikythera mechanism rediscovered

1981 (981. M02)
--First shuttle launched from Terra.

1998 (998. M02)
--construction begins on the International Space Station.

2,011 (011. M03)
--Beginning of Second Epoch.

100.M03
--Mars Terraformed.

200. M03
--Mars is settled.

M03
--Warp discovered.

M16
--Mankind first starts to expand from Earth, nearby solar systems are colonized using primitive sub-light drives. Progress is slow and new colonies must survive as independent units isolated from Earth by up to ten generations of travel. The period of the next ten thousand years is known as the Dark Age of Technology.

M21
--Keeper Cripias records this as the end of the Golden Age. The Golden Race of Men become depended on the Stone Race of Men and their artifices, as such the Stone Men prevail. Sometime within the next 5,000 years the Men of Stone create the Iron Men to help in the building of their Empire.
--Discovery of warp drives allows more rapid dispersion. The first alien races encountered and wars follows.
--Navigator gene isolated, warp travel becomes even faster, Navigator families and cartels become powerful political entities. The Expansion of Humanity covers most of the galaxy, standard Template Construct (STC) system is perfected to aid new colonies. Titans are developed for rapid land movement.
--Squat history begins with the Age of Founding. The mining colonies of the Home Worlds are in constant contact with Terra and the Squats show no distinction from normal Humans.

M23
--The Execration Pattern Tri-diotic Laser Array enters into continuous use among stellar warships. It is currently classified Perdita by Imperial Naval Commissioners.

M25
--Horiax Treatise mentions genetic alteration techniques.

M25
to
M29
--The Eldar Maiden Worlds are seeded.

M26
--Keeper Cripias' history states that at this time, the Stone Men and Iron Men (now grown from servants to equals) fall into warring with each other. The Iron Men have no soul and the Stone Men in the final acts of self-preservation, annihilate the Iron Men, including those who remain loyal, in battle. Thus the Age of Strife begins.
Psychic humans begin to appear, simultaneously civilization starts to collapse as widespread insanity and insurrection tear many colonies apart. Terrible wars sunder human space, daemonic creatures possess unprotected psykers and subjugate worlds. Warp storms isolate many parts of the galaxy including Earth.
--Beginning of the Squat Age of Isolation. The Home World mining colonies become self sufficient, independant strongholds. During this period the Engineers Guild develops into a socio political power and strongholds form complex political and trading agreements that become Leagues.
--The Cult Mechanicus is founded on Mars as a survival mechanism to maintain the technology necessary for life to survive on the planet. The Cult constructs their High Altar and builds their vast fighting machines known as Titans. The Mechanicus spacecraft are unable to leave the Sol system.
--A slight abating in warp storms leads to encounters between the Squat Home Worlds and alien races known as the Age of Trade. Squats use their tremendous mineral wealth to trade for Weapons, foodstufs, and hight tech systems with the Eldar and Orks. During conflicts between the Orks and Eldar, the Squats remain neutral and maintain trade with both sides.

M27
--A probe is dispatched from Terra, its mission to reach the utmost limit of the Universe. 14,000 years later it is yet to begin its return trip and many of the signals sent by the probe have been Orkish in nature.

M28
--Studying the pattern of the warp storms, Mars prepares massive expeditions consisting of entire Titan Legions and thousands of Servitors to explore the galaxy. The successful colonies eventually become Forge Worlds and Knight Worlds of the Adaptus Mechanicus. This process continues throughout the Age of Strife.
No longer able to acquire sufficient food or resources and without acess to the wider galaxy, Earth devolves into petty fiefdoms ruled by warlords . Billions die as a result of war and starvation.
--Grunhag the Flayer, an Ork Warlord attacks the Squat homeworlds with a huge fleet. Many strongholds are wiped out by the Orks, the epic ballard The Fall of Imbach commorates one such destruction. This marks the beginnning of the Squat Age of Wars with hostility towards Orks and distrust towards the Eldar who stayed neutral during the conflict.
--Earliest modified warriors aid the Emperor in the conquest of Earth.

M29
--The fall of the Eldar begins.
--Earth is resurrected under a new leader known only as the Emperor, this warlord begins a slow push to the stars. Upon his arrival on Mars, the Emperor is reconized as the Cult Mechanicus' Omnissiah of legend.
--The twenty Primarchs (Alpharius, Angron, Corax, Ferrus Manus, Fulgrim, Horus, Jaghatai Khan, Konrad Curze, Leman Russ, Lion El'Jonson, Lorgar, Magnus the Red, Mortarion, Perturabo, Roboute Guilliman, Rogal Dorn, Sanguinius, Vulkan and two unknown Primarchs) are created as a new super race by the Emperor, the Chaos powers reconize their potential and unable to destroy them instead scatter them across the Galaxy.
--Graba's Theorem demonstrates how Primarch Genetic data can be used to stabilize genetic development of new Space Marines.Twenty First founding Chapters are created each based on the genetic data of their Primarch.

M30
--Fall of the Eldar reaches climax. Eldar society collapses, creating the Chaos god Slaanesh. Homeworlds lost in the creation of the Eye of Terror.
--Astronomican founded to make warp travel safer.
--Age of the Imperium begins with the Great Crusade, for the next two hundred years, the Emperor and the Space Marine Legions gradually carve out the scattered Imperium of Man. During this time the Emperor is reunited with the Primarchs of whom Horus is the greatest.
--Accelerated gene culturing implemented, reducing processing time to create a Space Marine in a single year. Accelerated gene seed has unseen fundamental flaws.
Shrine of Asur founded.
--Work begins at the Stygies forge world in the Vulcanis system on the Emperor class battleship Legatus Stygies, but is unfinished for over two millennia after heretics seize the world and destroy most of its manufacturing facilities.

125. M30
--The Lunar Wolves are renamed Sons of Horus in honor of their Primarch following the Warmaster's Ulanor campain.

late M30
--Magnus the Red compiles the so called Book of Magnus, also known as the Book of the Thousand Sons, filled with arcane lore from across the galaxy.
Within 500 years of the fall, the Craftworld of Altansar is swallowed into the Warp leaving only Maugan Ra.

007. M31
--Horus Heresy begins. After several months, the Emperor orders seven Legions of Space Marines to assault Istvaan V; Four defect to Horus, the other three are destroyed.

007. M31
to
014. M31
--Space Wolves attack Thousand Sons homeworld of Prospero forcing the Thousand Sons to declare for Horus and flee to the Eye of Terror, during the pursuit the Thirteenth company of Space Wolves is Destroyed in the Warp.
Sctrak the Slaughterer kills the Chief Librarian of the World Eaters as the Legion turns to the worship of Khorne.
Iron Warriors Traitor Legion virus bomb Tallarn and lay siege to the planet. Reinforcements pour in from both sides of the conflict. Although the Imperium is eventually victorious, casualties are severe, such as only 1 in 10 Ultramarines surviving.
Battle of Molech. Three Titan Legions and over a hundred IG regiments and Knight households defend Molech against the Warmaster Horus and his armies. Knight of the ruling Household (Devine) seduced by Slaanesh during initial stages, and betray Imperial forces during the main Chaos assault. Only 1 in 100 Imperial soldiers survive the battle, the future Daemon Knights of Slaanesh daemonic war machines come from House Devine.

014. M31
--Horus assaults Earth. Imperial defenders fall back to the Inter Palace and the Blood Angels hold the Ultimate Gate.
The Emperor's Children fall upon the civilian population turning more than million prisoners into an array of drugs for thier pleasure.
The Emperor, Rogal Dorn and Sanginuis teleport abord Horus' War Barge, Sanginuis is killed by Horus, Horus is kill by the Emperor. End of Horus Heresy, the Mortally Wounded Emperor is incarceated within the Golden Throne.

015. M31
--High Lords of Terror convened to provide guidance in the absence of the Emperor.

021. M31
--Chaos forces retreat into the Eye of Terror. Worldeaters fight Emperor's Children on the daemon world of Skalathrax. Kharn's betrayal shatters the once united Worldeater Legion into seperate, roving warbands.
Roboute Guilliman writes the Codex Astartes. The Space Marine Legions are divided into seperate autonomous Chapters in what is known as the second founding. The Grey Knights are created, a second founding Chapter with no antecedents.

M31
--Engraving of Space Marine Power Armour made on the Tomb of the Savior, Bellis Argent.
Following the Great Heresy, the Slaughter class cruiser Heathen Promise returns to naval base Bakka for extensive refits. The crew mutinies while the majority of officers are at pre-launch celebrations. Five destroyers and two frigates are atomized during the resulting pursuits.

211. M31
--Primarch Leman Russ of the Space Wolves takes his most favored retainers and departs from the Feast of the Emperor's Ascension, never to be seen or heard from again except in visions. His armor is discovered during the second Great Hunt at the Temple of Horus on Rudra, a world on the edge of the Eye of Terror.

218. M31
--The surviving Wolf Lords of the Space Wolves gather together and elect Bjorn their leader, awarding him the title Great Wolf. Bjorn gathers together the Chapter and announces the Great Hunt in an attempt to find Leman Russ. The Great Hunt ends in failure and sadness.

356
to
372. M31
--The first prototypes of the Vindicator Close Support Armored Vehicle are created during the third Rothern I pacification by Techmarines of the Ultramarines.

M32
--Ganymede contaiminated during experiments into Warp Core technology, no futher experiments into that field.
The Imperial Emperor class battleship Legatus Stygies is commissioned.
Magnus the Red, Primarch of the Thousand Sons launches a series of devastating raids on the worlds near Fenris in revenge for Prospero. As well, Magnus taunts the Great Wolf Harek Ironhelm in visions. An obsessed Ironhelm assaults what he believes to be the Thousand Sons' secret base on Gangava. In reality, the Thousand Sons' Fleet besieges Fenris. For forty days and forty nights, the defenders under the leadership of the Dreadnought Bjorn the Fell-Handed hold them off as a force of scouts under Haakon Blackwing are dispatched to Gangava and Harek. Shamed and furious, Harek Ironhelm meets Magnus in battle on the slopes of the Fang itself. Although he inflicts a terrible wound on Magnus, Harek is overcome and his crypt later becomes a shrine to the Space Wolf Rune Priests.

350. M32
--Temple of the Saviour Emperor reconized as the official religion of the Imperium.

400. M32
--Last of the Space Marine Primarchs dies/disappears (final disposition inconclusive).

550. M32
--Ecclesiarch Veneris II becomes a High Lord of Terra. He is the First Member of the Ministorum to be so honoured.

935. M32
--Adminisitratium surpresses Colonel Van Dyson's "The Dark Eldar: Their methods and how to defeat them, by one who has done so."

M32
to
M33
--War of Faith against the Confederation of Light.

M33
--Apcrypha of Davio lists the following as Second Founding Chapters:
Dark Angels - Angels of Absolution, Angels of Redenption, Angels of Vengence.
White Scars - Marauders, Rampagers, Destroyers, Storm Lords.
Space Wolves - Wolf Brothers (current fate unknown)..
Imperial Fists - Black Templars, Crimson Fists.
Blood Angels - Angels Encarmine, Angels Sanguine, Angels Vermilion, Blood Drinkers, Fleashtearers.
Iron Hands - Red Talons, Brazen Claws.
Ultramarines - Novamarines, Patriachs of Ulixis, White Consuls, Black Consuls, Libators, Inceptors, Praetors of Orpheus, Genesis Chapter.
Salamanders - None Known.
Raven Guard - Black Guard, Revilers, Raptors.

345. M33
--Dark Eldar raiders strike Thangod Colony, Beta-coplin XXI on Devilnacht.

453. M33
--Desolator class battleship Eternity of Pain turns renegade.

M34
--Inquisitor Damne reports on how Blood Angels and their successors follow unconventional and deviant gene-replication practices which has led to the debasement of their gene-seed. Inquisitor Damne also reports on rumors of "Red Thirst" and "Black Rage."
Liber Historica vangelia defines Primachs as: An early attempt to use gene-alteration to create humans with god like powers.

126. M34
--The last Slaughter class cruiser, the Dutiful (later the Soulless), is constructed at the Sethelan forge world. This ship later turns renegade and bombards the Sethelan forge world destroying the design for the Scartix engine coil.

222. M34
--Rogue Trader Uzieth Pallandaro of Explorator Fleet Saturnalia rediscovers the human colony of Rynn's World in the Loki Sector, Segmentum Tempestus.

238. M34
--Rogue Trader Uzieth Pallandaro of Explorator Fleet Saturnalia rediscovers the human colony of Rynn's World in the Loki Sector, Segmentum Tempestus.

647. M34
--Lasko Pyre, the author of "The Annals of Terror", dies by his own hand and is postumously pronounced Heretic.

722. M34
--Rogue Trader Dausen makes contact with the Squat Home World, Terlaken B3 Svyz, and notifies the Imperium. Orders of termination are suspended awaiting a reply and the dispatch of an Inquisition research team. The following period of history is known to the Squats as the Age of Rediscovery.

967. M34
--Sectoris Stabilis Mandate establishes pre-determined level of tolerance for raiding activity.

M35
--Grimoire Hereticus lists Traitor Legions of the Great Heresy: Emperor's Children, Iron Warriors, Night Lords, Worldeaters, Death Guard, Thousand Sons, Lunar Wolves (changed to Sons of Horus, then following Horus' death became the Black Legion), World Bearers, Alpha Legion.
Ork Warlord Arrgard the Arch-Defiler overruns the Imperial forge world of Tigrus resulting in the loss of the technology and skills necessary to manufacture the Vanquisher Battle Cannon.

200. M35
--Holy Synod moves to Ophelia VII, power of the Ministorum grows as Frateris Templar, the military offshoot of the Ministorum is formed.

299. M35
--The Chaos Styx class heavy cruiser Heartless Destroyer withdraws from an engagement leaving its companion ship, the Horrific, to be reduced to a hulk and captured.

344. M35
--Planet Angelis is surveyed by the Imperium.

453. M35
--"Galaxia Daemonica Perpetua of Jerome" prepared by order of Inquisitor Dalma.

500. M35
--Greigor XI elected Ecclesiarch and announces that the Adeptus Ministorum would return to Earth as the true center of the Faith is Terra. This and other reforms deplete the Ecclesiarchy's funds requiring an increase in tithes. Greigor dies shortly afterwards from food poisoning.

512. M35
--The Ecclesiarchy completes its return to Terra.

789. M35
--The M-Galaxy Lasgun becomes standard issue for the Imperial Guard.
--Adeptus Mechanicus Explorator vessel Land's Vision discovers a new xenobiological species on the world of T'au. Seeding ships are dispatched to colonize the world, but are lost in freak Warp storms. The isolated world is forgotten.

979. M35
--Volistad is first colonized by the Imperium, but isolated by warp storms for the next 3,500 years.

early M36
--Incidence of warp storms increases. Imperium reels as Orks and other races rampage throughout a divided galaxy. Period known as the Age of Apostasy begins.

late M35

early M36
--The Twenty-First Founding occurs. This is the largest founding since the Second Founding, it also known as the Cursed Founding. Several Chapters disappear mysteriously whilst in action or in warp space. Every surviving Chapter of the founding is affected by spontaneous genetic mutation of its gene-seed. Unable to raise or induct recruits, battle casualties are not replaced. Some mutations strain the tolerance of the Inquisition, such as the Flame Falcons whose spontaneous and extreme physical corruption turn them into a race no longer human or sane. The Chapter is declared Excommunicate and driven from its home world of Lethe by the Grey Knights.

M36
--Mythos Angelica Mortis detailing history and myths of the Adaptus Astartes transcribed.
The order of Our Martyred Lady is renamed for their Canonness St. Katherine

215. M36
--Lord Vandire, the Master of the Administratum and Ecclesiarch, assassinates the Master of the Adeptus Astra Telepathica, Lord Phaedrus. Phaedrus could see through Vandire's plots and deceits revealing his intentions and corruption.

256. M36
--Sebastian Thor is born in a Schola Progenium habitat on Dimmamar in the Segmentum Obscuras.

234
to
298. M36
--Imperial Emperor Class Battleship Divine Right is recommissioned at Cypra Mundi following its recovery from the space hulk Inculcate Evil near the Charos system.

288. M36
--Upon the death of High Lord Vandire, Sebastian Thor becomes 292nd Ecclesiarch following a two-month trial at the hands of the High Lords of Terra. Thor begins to reform the Adeptus Ministorum, including such items as the Decree Passive issued by High Lords of Terra forbidding the Ecclesiarchy from maintaining an "armed force of men." The Frateris Templar are duly disbanded but the Daughters of the Emperor (Adepta Sororitas) remain.
The Grand Master of Officio Assassinorum falls to the knife of Tziz Jarek, of the Callidus Temple. Or so it appears, Suspecting such a plot the true Grand Master had replaced himself with a loyal Callidus assassin. After defeating Vandire's assassins in a conflict known as the Wars of Vindication that involved nerve gases, neutronic warheads, and other banned weaponry the Grand Master departs into a self-imposed exile. Thereafter, the High Lords take special care to control the Officio Assassinorum so that, in theory, only traitors and heretics need fear it.

300
to
306. M36
--Imperial Emperor Class Battleship Divine Right undergoes fleet trials. Upon completion of trials the Divine Right serves as Battlefleet Artemis flagship until 457. M37.

368. M36
--Sebastian Thor, 292nd Ecclesiarch of the Adeptus Ministorum dies on Terra at the age of 112. Over seventy million pilgrims file past the three-mile long passageway leading to his tomb in the first year alone. Ecclesiarch Alexis XXII succeeds him.
Ecclesiarch Alexis XXII splits each of the Adepta Sororitas Convents into two Orders each, founding the Orders Militant of the Ebon Chalice, Valorous Heart, Fiery Heart and the Argent Shroud.

694. M36
--Chief Artisan Tilius begins the search for a working STC.

341
to
367. M36
--Imperial Emperor class battleship Divine Right undergoes a refit.

453. M36
--Diplomatic relations between the Imperium of Man and the Alaitoc Craftworld cease due to the outbreak of the Beelze Conflict.

642. M36
--Battle of Saronica involving Imperial Emperor class battleship Divine Right.

994. M36
--Razorback STC discovered by Tilius.

M37
--Inquistor Horst comments "The Space Wolves encourge genetic deviancy and shows extreme unorthodoxy in their tactics and organization."
Liber Astartes states that the Ultramarines Legion is responsible for nearly 3/5ths of current Space Marine Chapters gene core.
Angels of Wraith Chapter is eliminated by the Adaptus Ministrorum following its rejection of replaceing its chaplins with Imperial missionaries and erased from Imperial records. The only survivors are from the Tenth Company.

458. M37
--Imperial Emperor class battleship Divine Right is made the Battlefleet Gothic flagship and remains so to present day.

563. M37
--Urhua Thereaux, Assassin of the Venenum Temple is dispatched to assassinate the renegade Governor Yawell of Morisha. Urhua's starship is caught in a warp rift, holding the vessel in stasis for 698 years.

576. M37
--The Land Speeder Typhoon (LST) variant is introduced upon recovery of STC information A98726J.LST Sargon. Thronton IV.

598
to
607. M37
--Imperial Emperor class battleship Divine Right undergoes a refit.

M38
--"Lexicus Planetarium" describes Port Maw.
--Tau Empire expands.

130. M38
--Lapidas Landing involving Imperial Emperor class battleship Divine Right.

143. M38
--A Callidus Assassin infiltrates Imperial Commander Brassika of Orlenza's court. Her deception allows for two regiments of Imperial Guard to outmaneuver the renegade forces. Upon revealing herself, the Callidus eliminates the Imperial Commander and escapes.

261. M38
--Unaware of her situation, Urhua Thereaux arrives on Morisha to find Yawell long dead and replaced by an anti-Imperial democratic committee of roughly 1,000 members. To complete her mission, Thereaux kills all the committee members after spending three days poisoning all the chairs in the auditorium prior to a meeting of the full committee.

292. M38
--Operation Hammer Strike. Obzidian's Council of Nine, a Nurgle Cult, declears independance. In response Lord Commander Tammus Belarian onboard Divine Overlord along with ten other Imperial Battlecruisters arrive to put down revolt. Blood Angel forces begin embarkation after planetary bombardment and Imperial patrols isolate the capital of Obzidian City. Blood Angel ground commander Ramus Lubero reports minimal ground resistance as they near Obzidian City.

356. M38
--Contanze the Prophetess of Baliaris Maioris burned as a Heretic following the rising of the Cult of Octavius along with the attack of the Blood Reavers against the Black Consols Chapter.

437. M38
--The Iybraesil Craftworld is detected in the Segmentum Obscurus, Western Quadrant.

463. M38
--Colonel Brin of the Imperial Guard is executed as a Heretic following his comparison of the Eldar and the Imperial Guard.

849. M38
--Tech Engineer Pilamist invesigates wreckage of an Eldar Fire Prism grav tank following a battle between the Eldar and the Pain Bringers Space Marine Chapter in Vida's World's third moon.

848. M38
--Tech-Engineer Pilamist transmits a report on an Eldar warpgate portal found in the Trojan Sector.

860. M38
--Ecclesiarch Deacis VI creates the Orders of the Bloody Rose and Sacred Rose, also extended the Adepta Sororitas Convent buildings to accommodate almost 15,000 warriors each.

967. M38
--First recorded Imperial Encounter with Eldar Pirate Kruellagh, Archon of the Emasculators.

194
to
197. M39
--Imperial Emperor class battleship Divine Right undergoes a refit.

312. M39
--Battle of Fraga'Tral involving Imperial Emperor class battleship Divine Right.

332. M39
--Upon notification by Inquisitor Bastalek Grim, the White Panthers Chapter supress a conspiracy in the Kethra system.

376. M39
--Genetor Major Xabroil does research on the Orkoid species.

436. M39
--An unknown Eldar Craftworld is detected in the Segmentum Obscurus, Western Quadrant.

437. M39
--Volistad is re dicovered discovered by the Imperium in a state of planetary civil war between the four main families (Ochinka, Petchenka, Silenko, and Volga). House Petcherka is elevated to the postion of Imperial Family.

547. M39
--Battle of Regi IV, Imperial forces verses Dark Eldar raiding force.

694. M39
--Eldar Pirates attack Jericho III destroying the capital, killing 3,200 defence force personnel and 1,400 civilians, and captureing 1,500 defence personnel and 16,800 civilians.

699. M39
--Remains of convoy en route to Vistro discovered. Imperial Navy Cruiser Judgement, 4 escorts, 12 free charter mechant vessels destroyed. Two destroyed Eldar vessels recovered for analysis.

705. M39
--Stratix Forge World. In small scale engagement, Eldar troops penetrate the polar arsenal, absconding with expermental military hardware.

709. M39
--Baneland. Contact with colony on Baneland XI lost, 1,200 colonists slain or missing, presumed captured. Previously undiscovered warpspace portal, almost undoubtedly Eldar in origin, on planet's surface.

719. M39
--Jurn Orbit. Imperial Navy vessels clash with Eldar forces. Attackers driven off, but with the loss of the Battleship Excessive Force, the Cruisers Pious Victory and Mighty Endevour plus 8 assorted vessels. Eldar losses number 12 ships on undisclosed classication.

725. M39
--Scribe First Class P. B. Oschprey of the Adeptus Scriptorium concludes report on the Dark Eldar Kabal of the Flayed Skull and its organizational structure.

745. M39
--The Wolverine Regiment of Amerigo Secundus is exalted following the Overthrow of Jyokoroi tyranny.

763. M39
--Amadeus Kreutz writes Summery of the miths, legends, and beliefs of the Eldar race.

789. M39
--Lord Kegarin, Planetary Govenor of Salamander V, grows paranoid of Salamander IV and VI. Believing they crave his world's mineral wealth, Kegarin builds the Doomsday Cannon and declares himself System Overlord. The launch of Project Apocalypse, sets off a devastating system war.

985. M39
--League Thor fights League Grindel over exporation of the Lost Stronghold of Dargon. Cyclops invented.

998. M39
--Inquisitor Daska investigates space hulk Unholy Harbringer in the Cloras system.

late M39
--The fleet of Rogue Trader Lukurius Vanlessa departs to the eastern fringes.

late M39

early M40
--Long delays in the warp result in the Santissima Terra of Vanlessa's fleet to return four centuries later. Her captain, Inigo Portfell, had layered the ship with his discoveries. The ship itself is now part of the Paternoval palaces on Terra.

085. M40
--An Imperial informative report is filed on the role of Commissars.

107. M40
--The Iybraesil Craftworld has moved from its 437. M38 location in the Segmentum Obscurus, Western Quadrant.

108. M40
--An unknown Eldar Craftworld has moved from its 436. M39 location in the Segmentum Obscurus, Western Quadrant.

457. M40
--Information from the Battle of Krimdar II (Night Lord Legion incursion) is deemed classified by order of Inquisitor Josephia.

504. M40
--An unknown Eldar Craftworld has moved from its 108. M40 location in the Segmentum Obscurus, Western Quadrant.

561. M40
--Nexxas Exculpation - The Emperor's Children are defeated by an Imperial Army corps. Following their victory, an Ordo Malleus warship destroys the corps via orbital bombardment. Records are altered to show a renegade Eldar force was responsible.

567. M40
--Sergeant Lysander of Imperial Fists Chapter awarded Imperial Laurel for 14 hour defense of Colonial Bridge on Isuno, against rebel assaults.

675. M40
--Vidium Prime - Duke Masal of Starhaven recruits a party of Eldar mercenaries to defeat his rivals. Upon completing their task, the Dark Eldar remain on Vidium Prime enslaving and torturing its population.
Inquisitor Amadeus Sorjik Vlachen lands on Vidium Prime. While on the desolated world, an alien ship arrives in-system leading to the loss of Inquisitor Vlachen and his comrades.

745. M40
--Upon termination of the Vortigern Crusade, Rynn's World is granted to the Crimson Fists as their homeworld. Their fortress-monastery is established in the inhospitable Hellblade mountains of the southern continent.

757. M40
--Balthazar van Heppel, Ministorum Envoy, files his report "Investigation of the Religious Beliefs, Rituals and Practices of the Legionnes Astartes".

924. M40
--Morias Skult, Vindicare Temple 2nd class, is dispatched to assassinate Urgak "the Unstoppable". Although Urgak was removed, the Ork Gargant was only partially destroyed and many workshops escaped intact. With the new timeline, an Imperial Naval vessel was deployed to bombard the site from orbit.

934. M40
--Silver Skulls Chapter files reports on progress of neophytes from Garanda II.

978. M40
--Abaddon overthrows Lord Teknos of the renegade Forge World of Baji IV. The traitor Tech Priests swear allegiance to Abaddon and return with him to the Eye of Terror.

982. M40
--Traitor Tech priests loyal to Abaddon begin construction of a massive stellar vessel within the Eye of Terror, using data recovered by Abaddon's forces from the halo world of Lanamorgstein.

989. M40
--The Yme-Loc Craftworld is detected in the Segmentum Obscurus, Western Quadrant.

990. M40
--Abaddon's advisor, Zaraphiston, leads Abaddon to the daemon world of Spawndeath. Abaddon returns to urge Traitor Tech Priests to increase their efforts to complete construction of the Planet Killer.

late M40
--The Plague of Unbelief led by Burcharis the Apostate, the Cardinal of Gathlamar, is ended by Confessor Dolan.

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-and-
Imperial 40K Timeline

Early M41
--At the Conclave of Gathalamor over 800 Masters of the Space Marine Chapters reswear their oaths of loyalty at the tomb of the Great Confessor. Terra and Mars reforge their alliances at hte Treaty of Ceres. Lord Commander Solar Macharius begins hsi crusade. During this crusade the high technology world of Adantris V is finally overcome when a comet is redirected into it.
Upon the death of Macharius, the Lord Commander Solar's conquests erupt into civil war. Tallarn 3rd Regiment (Dester Tigers) virtually destroyed fighting for Warmaster Solon during the Macharian Heresy.
The Macharian Heresy was finally ended by a Space Marine Crusade nearly seventy years later.

M41
--Compiler Atreax lists named Successors to the Ultramarines (Apocrypha of Davio) as Novamarines, Patriachs of Ulixis, White Consuls, Black Consuls, Libators, Inceptors, Praetors of Orpheus, Genesis Chapter. Although referance is made to the Apocrypha of Skaros which lists 23 Second Founding Chapters but Fails to name them.

000
to
015.M41
--Adabbon's agents and forces search for rumours which will lead to the loaction of ancient artifacts known as the Hand of Fate and the Eye of Night. Abaddon orders his forces to capture these items at all costs.

016
to
143.M41
--Whilst construction continues apace on the Planet Killer, Abaddon awaits recovery of the items he seeks.

101. M41
--Tech-Priest Majoris Sablus Ironika is dignified into the Adeptus Mechanicus.

122. M41
--Master of Ordnance Alucius Hephasta obtains his commission in the Imperial Navy.

123. M41
--Fleet Commissar Severin obtains his commission in the Imperial Commissariat.

127. M41
--Lord Ravensburg addresses the Council of Admirals of Battlefleet Gothic on the correct use of a fleet.

128. M41
--Lord Admiral Cornelius Ravensburg obtains his commission in the Imperial Navy.

129. M41
--Master Gunner Alberto Bordini obtains his commission in the Imperial Navy.
Master of Arms Voltan Keppler obtains his commission in the Imperial Navy.

134. M41
--Flag-Captain Augustus Ortelius obtains his commission in the Imperial Navy.
The Imperial Navy engages Principal Navigator Athello's services.

135. M41
--Officer of the Watch Horation Drumm obtains his commission in the Imperial Navy.

138. M41
--Flag-Lieutenant Nicodemus Martyrn obtains his commission in the Imperial Navy.

139. M41
--Chief Astropath Dolva Vier is elevated in the Adeptus Astra Telepathica.
Ship's Surgeon Marius Altehorg obtains his commission in the Imperial Navy.
Zaraphiston's visions show him the Arx Gap, a stable route out of the Eye of Terror which bypasses the heavily defended Cadian Gate. Abaddon sends a vanguard fleet to destroy the Imperial monitoring station on Arx.
The Planet Killer is completed and a massive effort begins to find enough crew to man it. Zaraphiston binds several Daemons to the huge vessel, greatly reducing the manpower needed to run it. As warp storms begin to engulf the Gothic Sector, Abaddon commands his subservient Warmasters to attack.

140. M41
--Confessor Lambasta is ordinated in the Adeptus Ministorum.
Abaddon leaves the Eye of Terror through the now clear Arx Gap, ordering his Traitor Tech Priests to follow once the Planet Killer is operational.
Several patrol vessels in the Athena Sector find a number of Imperial vessel drifting uncontrolled. The crews are all dead, disease fostering corpses. Xebal Astolax, Magos Biologis registers evidence of blisters, sores and fungal growth as cause of death. Rumors begin of the reappearance of the Plagueclaw. Watchposts around the Cadian Gate are put on close alert and Naval patrols are increased around Cadia.
Chaos cult activity increases in the Segmentum Obscurus. Attacks are made on the hive world of Morganghast. A Chaos attack on the Imperial world of Purgatory results in the disappearance of the artifact known as the "Hand of Darkness". Another Chaos assault on the Ratling world of Ornsworld results in the theft of the Eye of Night, an artifact with mythical connections to the Hand of Darkness, and the death of millions of Ratlings.

141. M41
--A frigate-sized craft is detected in orbit of Hobart's planet. Seventeen minutes after first contact, a massive energy pulse is detected and the craft's energy signal disappears. An investigative team is dispatched to the wreckage to establish the source and nature of the unidentified craft.

142. M41
--A cataclysmic shockwave passes through the Warp engulfing the Gothic Sector and cutting it off from the rest of the Imperium.

143. M41
--Three Eldar raids occur in the Gothic Sector. This trend increases over time.
Abaddon enters the Gothic Sector, using the Hand of Darkness to capture the Blackstone Fortess at Rebo V. He then makes a rendezvous with the Planet Killer.

144. M41
--The Planet Killer arrives at Saviour, a highly populated system in the Lysades sub-sector. After revealing the Planet Killer Abaddon demands that Saviour's orbital docks begin producting ships for the Chaos fleet. The commander of Saviour has little choice but to agree, the lives of eleven billion people are at stake.
The Commander of Brinaga (in the Brinaga system) recieves warning that Abaddon may attack soon, in an attempt to capture Blackstone Fortress VI. All communication are lost with Brinaga shortly afterwards, a patrol vessel reports that the existance of Brinaga can no longer be confirmed.
Abaddon takes the Planet Killer to Fularis where Blackstone I orbits Fularis II. While the captured Blackstone Fortress destroys Fularis I, Abaddon uses the Planet Killer and its attendant fleet to shatter Battlegroup Merlin which protects the system. Unopposed, the Planet Killer destroys the second moon of Fularis III., long suspected of being the lair of an Eldar pirate band.

145. M41
--Eldar attack (and defeat) Escallio II PDF led by Golam Perez.

146. M41
--Imperial Retribution class battleship Bloodhawk along with the 23rd Frigate Flotilla (six Sword class frigates) breaks the traitor blockade of Anvil 206, escorting much-needed supplies back to the fleet stationed at Orar.
The Planet Killer is spotted moving towards Stranivar in Bhein Morr. Stranivar has been blockaded for two years, but still refuses to surrender. Communications are lost with Stranivar, an invesigating fleet discovers much of the hive world devaststed by meteors created by the destruction of all three of its moons.

147. M41
--The number of Eldar raids in the Gothic Sector peaks at eight.
The Lysades sub-sector of the Gothic Sector is almost entirely overrun by Chaos.
An Imperial cruiser force sweeps through the Kaloth system for Ork pirates and destroys seven escort class ships and four Roks.
An Imperial patrol flotilla encounters the Planet Killer as it leaves warp space, Entering the Corain system. They attack immediately before the rest of Abaddon's fleet can arrive. After causing considerable damage. the Imperial fleet is finally driven off by the Planet Killer's immense arsenal. Abaddon's forces invade Corain VI and take over its mines. Loyalist guerrilla fighters report that considerable amounts of trikali crysatl are shipped into orbit, where the Planet Killer is stationed. Trikali crystal is mainly used in the anti-magnetic containment fields of warp generators and plasma reactors.

148. M41
--Another Imperial expedition enters the Kaloth system only to encounter 21 Roks. The Imperials disengage after the battlecruiser Stalwart Warrior suffers crippling damage and is in danger of being overwhelmed by Ork boarding parties.
Abaddon invades Drakulu system and enslaves the the two million inhabitants of the system's main planet, an agriworld. It is widely believed that many of these end up as sacrifices for Zaraphiston's magics, the remainder being forced into service as crew on the Planet Killer and other vessels.

149. M41
--Fleet-Admiral Mourndark locates the main pirate den of Gothic Sector in the Barbarus Costa system and destroys them.

150. M41
--Zaraphiston predicts that the warp storms will end soon. Abaddon quickly moves his fleet out of Drakulu and meets with the Blackstone Fortresses. News reaches Abaddon of reinforcements gathering in the Tamahl Sector, ready to counter attack through the Tarantis jump point. He sends the Blackstone Fortresses to destroy the Tarantis star and thereby prevent enemies from using the jump point, while he takes the Planet Killer to neighbouring Boetia. Using the power of the Planet Killer, Abaddon eradicates the Adaptus Telepathica facility in Boetia's asteroid belt, cutting off the navigational beacon that would have helped any Imperial ships daring to jump through the warp storms.

151. M41
--As Zaraphiston predicted, Warp storms in the Gothic Sector start to abate and Imperial reinforcements from the Tamahl Sector arrive along with several Space Marine Chapters leading to a new Imperial offensive.
Battle of Gethsemane - Lord Admiral Ravensburg amasses a battlefleet of 17 capital ships (two battleships -including the Divine Right- and two battlecruisers) and twenty escorts engages a Chaos force. Eldar ships appear and decide to assist the Imperial battlefleet.
Cooperating with the Eldar, Lord Ravensburg outmaneuvers Abaddon's fleet arriving at Schindlegeist five days before Abaddon. As the Blackstone Fortresses move towards Schindlegeist's star, the battlecruiser Flame of Purity dives into the middle of the converging energy waves expending the Fortresses' power. Abaddon flees with two Fortresses leaving the third behind. The Angels of Redemption along with Imperial Naval personnel board the Blackstone Fortress resulting in its destruction. The other Blackstone Fortresses in Imperial possession also self-destruct at the same time. The status of the Fortresses in Abaddon's possess is unknown.
The Planet Killer under the command of Warmaster Malefica Arkham is dispatched to attack Arimaspia as a diversion. Although Abaddon is defeated at Schindlegeist, the Planet Killer succeeds in destroying two of the five planets that make up the Arimaspia system.
Abandoned by Abaddon, Malefica Arkham tries to use the Planet Killer to carve out an empire of his own. The world of Gonnacrash in the Quinrox Sound swears sovereignty to his rule, but, as he moves the Planet Killer to Kharlos II, Arkham is discovered by Omega squadron, freshly arrived from outside the Gothic Sector. With no support vessels, Arkham decides to attack, but the Planet Killer is eventually destroyed by the continuous torpedo fusillade of the four Lunar class cruisers.
The Eldar starship Eliarenath's Gift contacts Captain Durhan of the Deacis III with the location of an Ork lair. After entering the asteroid field, the Eldar fell out of formation. The Orks ambush the patrol fleet leaving only the severely damaged Deacis III and a Sword class frigate. The true identity of the Eliarenath's Gift is never known (Eliarenath reputedly betrayed Eldanash to Khaine in Eldar legend).

152
to
160. M41
--The retaking of the Gothic Sector takes eight years. The High Lords of Terra reward the members of Battlefleet Gothic with a specially constructed monolith bearing their names in the Chamber of Heroes in the Imperial Palace.

154. M41
--Chaos Warmaster Malefica Arkham, having being abandoned by Abaddon, tries to use the Planet Killer to carve out an empire of his own. The world of Gonnacrash is the Quintex Sound swears sovereignty to his rule, but, as he moves the Planet Killer to Kharlos II, Arkham is discovered by Omega squadron, freshly arrived from outside the Gothic Sector. With no vessles to support him, Arkham still decides to attack, but the Planet Killer is eventually destroyed by the continuous torpedeo fusillade of the four Lunar class cruisers.

156. M41
--An expedition is launched by Inquisitor Horst to recover the hulk of the Planet Killer for study by the Adaptus Mechanicus. No trace of it can be found, and there are worying rumours of a Black Legion vessel being sighted in the area.

160. M41
--Inquisitor Horst departs to discover the fate of the Blackstone Fortresses in Abaddon's possess. He is never heard from again.

195. M41
--Hive World Terrus saved from Tyranid attack by Space Marine decorated with skulls and flames.

216. M41
--The Yme-Loc Craftworld has moved from its 989. M40 location in the Segmentum Obscurus, Western Quadrant.

232. M41
--An unknown Eldar Craftworld is detected in the Segmentum Obscurus, Western Quadrant.

273. M41
--Inquisitor Drako visits Stalinvast. Evidence is discovered of Hydra and Stalinvast is destroyed.

298. M41
--Unknown Space Marine force sighted on Athor VI, believed to be Legion of the Damned.

324. M41
--Sgt Begen Flay, Golan Hole, is martyred and later entered into the Imperial Hall of Heroes.

341. M41
--The Yme-Loc Craftworld has moved from its 216. M41 location in the Segmentum Obscurus, Western Quadrant.

373. M41
--Several Inquisitors are mysteriously murdered and the planet Sabulord is incinerated. During this period, Inquisitor Drako raids the Eldar Black Library, but later is killed within the Eldar Webway.

374. M41
--Magos Biologis Rastex reports on the "Growth patterns of Orks in variant societies" finding that prolonged periods of conflict and denser populations result in larger Orks with a greater muscle:mass ratio.

397. M41
--Rogue Trader J'thrax Unwin rediscovers the Jaguars Regiment of the Imperial Guard, originally recruited on
Oran I.

415. M41
--K'Nib invade Prospero Colony, Donorian Sector (Segmentum Tempestus).

424. M41
--The Lucky 13s Regiment of the Imperial Guard suffer severe losses at the Battle of Low Corridor.

433. M41
--Scribe Aldolphus Neld's "Summary Report on the Traitor Legions of Chaos Space Marines" is compiled at the behest of Inquisitor M. Horst.

444. M41
--First Battle for Armageddon. Armed rebellion breaks out in six hives. The revolts are put down on the second continent, but continue in the widely scattered hives of Armageddon Prime.
A vast space hulk arrives carrying a massive daemon world army led by the Daemon Primarch Angron of the Worldeaters Legion. After taking Armageddon Prime, Angron stops to draw more chaotic energy to the planet.
Reinforcements arrive from the Space Wolves Chapter. As Angron leads his forces against Infernus and Helsreach hives, Logan Grimnar releases his reserve of a full company of Grey Knights. Teleporting into the center of Angron's forces, the Grey Knights do battle with the Daemon Primarch and his Greater Daemon bodyguard. In the end, Angron is cast back into the warp by remaining Grey Knights which number less than a dozen. The Space Wolves launch a counter-attack routing and destroying the Chaos horde.
The population of Armageddon is sterilized and marched to huge forced labor camps isolated from the hives, where they spend the remainder of their days. Billions of new workers are brought in to repopulate the planet. Logan Grimnar refuses to forgive the Adeptus Administratum for what he sees as a great betrayal of the innocents.

445. M41
--K'Nib soldiers reported to be operating in Donorian Sector (Segmentum Tempestus).

457. M41
--Orkoid algae DNA strand "Ork sub species 2/a, Batch 3" tested.
Senthis, Administratum Elector of the Segmentum Pacificus establishes the color security level of Vermilion.

488. M41
--Battle of Orion involving Imperial Emperor class battleship Divine Right.

494. M41
--Ultramarine Chief Librarian Tigurius reports Ork raiders are repulsed with the aid of Black armoured Space Marines.

497. M41
--Adaptus Explorator team on Cobol II attacked by Machine Warriors Survivors assisted by mysterious, black armoured Space Marines. No evidence found of either. Explorator team held for questioning.

499. M41
--Private 542Z11P11, Gabba Pass, is martyred and later entered in the Imperial Hall of Heroes.

502. M41
--Lt. Galas Amitri, Tripli VI, is matyred and later entered into the Imperial Hall of Heroes.

511. M41
--A fragment is recovered from the vox-corder of Sergeant Elon Hussain of the 19th Melkiar Imperial Guard. Hussian apparently led a scouting party on the jungle moon of Ahanzok, accompanied by Commissar Fabrun. The force is overran by Ork hostiles fitting the description of the Goff sub- culture.

544. M41
--The Daemon Primarch Angron of the Worldeaters Legion regains the ability to return to realspace.

569. M41
--'R' level data report encoded on Melta weapons.

576. M41
--Imperial Report filed on Dark Eldar Reaver Jetbike.

589. M41
--Imperial research post on Gehemor III is attacked by Chaos raiders. Survivors assisted by mysterious, black armoured Space Marines. No evidence found of either forces. Survivors held for further questioning.

657. M41
--The Mars class battlecruiser Marquis Lex is sent in for refitting following its record setting patrol of one thousand, seven hundred and forty-one days (roughly 4.77 earth years).

659. M41
--Logan Grimnar becomes the Great Wolf of the Space Wolves.

698. M41
--The Corinthian Crusade. Marneus Calgar is elected leader of a combined Space Marine force of Ultramarines, Lamenters, Marines Errant, Angels of Absolution and Silver Skulls on a seven year crusade the Ork empire of Charadon.

701. M41
--Blood Angels from the Imperial battlebarge Mayan purge a Genestealer infestion from the Space Marine vessel The Sword of Halcyon.

704. M41
--Siege of Tulwa. An infiltration lead by Marneus Calgar destroys Iron Warriors' Fortress of Pain.

728. M41
--Invasion of Waagh Argluk.

732. M41
--Klemenk al Baz, Captain of the Hound Skull Chapter, records in his memoirs his experience in dealing with Orks, specifically Blood Axes.

737. M41
--Valos reported stripped of all life.

738. M41
--26th Founding of Space Marines (most recent).

741. M41
--First Tyrannic War. Arrival of Hive Fleet Behemoth.

742. M41
--Cardinal Esau Gurney calls for Crusade into the Damocles Gulf. The crusade force consists of twelve capital ships, led by the Retribution battleship Blade of Woe along with 5 provisional companies of Adeptus Astartes (mainly from the Scythes of the Emperor and Iron Hands, as well as 10 other Chapters), the Titan Legion Thanataris and 19 regiments of Imperial Guard, 7 from Brimlock, including the 9th Brimlock Fusilliers and 17th Brimlock Dragoons as well as the Rakashan Rifles.
--Damocles Crusade recalled on Inquisitor Kryptman's orders.

745. M41
--Hive Fleet Behemoth attacks the Ultramarines homeworld Macragge. Defeated at a great cost, for the Entire First Company of the Ultramarines is wiped out.

753. M41
--Ork Freebooter Odlog Blackship leads a Freebooter army on raids in devastated systems. During Battle for Verdan III , Odlog's Flagship is crippled by Blood Angel cruiser Tycho's Revenge and crashes on nearby deathworld Extermis. The Orks are found dead killed by an unseen assassin and the Blood Angel force runs into Hive Fleet Leviathan. Captain Perdo of the Second Company is the only survivor.

759. M41
--Scouring of Quintarn - Forces led by Marneus Calgar drive Ork
scavengers from triple system of Quintarn, Tarentus and Masali.

760. M41
--Tau Commander Farsight (Shas'o Vior'la Shovah Kaius Mont'yr) establishes series of heavily fortified strongholds/colonies in the Damocles Gulf region.

763. M41
--Sack of Penury IV

765. M41
--Space Marine Chapters estimated to be between 989 and 1021. Losses consist of 13 Chapters lost in the warp, 21 Irrecoverable Battle Losses, 9 Gene-seed failures, 4 Inquisitorial purges, and 16 lost to other circumstances.

801. M41
--The Lugganath Craftworld is detected in Segmentum Obscurus, Western Quadrant.

805. M41
--The Lugganath Craftworld has moved from its 801/m41 location in Segmentum Obscurus, Western Quadrant.

807. M41
--Purgation of Jhanna: Two Ultramarine Companies retake rebellious oceanic cities of Omon and Vorlenica despite rebel's Chaos Marine allies.

823. M41
--Veteran Sergeant Naaman of the Dark Angels Chapter is born.

842. M41
--Damek Roigseh (?), stationed on Zaro's World, writes to his younger brother, Sebastian at Last Reach, upon arriving at his duty station. Zaro's World is apparently staving off an Ork invasion, and has been so for at least 20 years.

845. M41
--Last known transmission from Task Force Trajan located in the Desedna System. Over two dozen Imperial panets in the surrounding sector under attack by Orks.

853. M41
--Battle of Steel cross. Captain Cortez of the Crimson Fist Chapter single handedly slays an Ork Warlord and his entire bodyguard.

861. M41
--Battle of Arcnar. Marneus Clagar defeats coalition of Eldar raiders on feral world on Arconar.

867. M41
--Despite massive injury Captain Cortez of the Crimson Fist Chapter breaks through Eldar lines and completes his mission.

879. M41
--Battle of Knarts Landing. Marneus Calgar defeats coalition of Eldar raiders on the feral world of Arconar.

891. M41
--First Battle for Armaggedon. Chaos incursion led by Angron and World Eaters beaten back by Space Wolves and Grey Knights.

892. M41
--Captain Cortez defeats breach in Fortress Maladon's wall for twenty one hours.

897. M41
--Massacare at Sanctuary 101. Necron force attacks Order of Our Matyred Lady force led by Sister Purity, defending Sanctuary 101. Sisters completely annihilated to the last warrior.

901. M41
--Badab War. Tiger Claws' (later known as Astral Claws) master, Lufgt Huron, revolts.

903. M41
--Forth Quadrant Rebellion. Lamenters, Mantis Warriors, Executioners join the Astral Claws revolt.
Communication is lost with the Squat worlds of the Kapellan League.
Captain Cortez fights through entire Kardian six week campain without supplies.

904. M41
--Fire Hawks retailate when their supply ship is captured by rebels.

906. M41
--Red Scorpions and Minotars called in to suppress revolt.

907. M41
--Incidence of Ork invasions increases in the Ultima Segmentum.
Mantis Legion, Executioners, and Lamenters sent on penitent 100 year Crusade.

912. M41
--As the Imperium closes in on Badab, roughly 200 Tiger Claws escape through the Imperial blockade and disappear into the Maelstrom. The fate of Lufgt Huron is unknown.

917. M41
--Azrael becomes the Master of the Deathwing.

921. M41
--Inquisitor Hellar compiles his report on Chaos Lords: Abaddon the Despoiler, Kharn the Betrayer.

928. M41
--Archaelogical team discovers ancient Titans is stasis on Volistad. The Titans were part of the original terraforming mission and had been untouched for almost 7,000 years.

939. M41
--Upon the death of the last Grand Master, Azrael ascends to the position along with the title Keeper of the Truth.

940. M41
--Tzeentch cults revolt on planet Chicano. World lost.

941. M41
--Battle for Armaggedon, Ghazakull Thraka leads his Orks against an Imperial Guard army lead by Commissar Yarrick.

942. M41
--Eldar Commander Yriel is made the leader of the Iyanden Fleet.

944. M41
--Balur Crusade. Marneus Calgar leads a Space Marine force against worlds of the Eastern fringe. Begins with scouring of Ork held Balur and ends with devastation of Boros.

951.M41
--Abraxis Crusade launched.

963. M41
--Fire Hawks' fortress Raptorus Rex sent from Piraeus to Crow's World sector to investigate Dark Eldar. They disappear in Route.

967. M41
--Chief Librarian Tigurius of the Ultramarines files his account of the Legion of the Damned appearance during the Battle for the Great Bastion against the Orks.

971. M41
--Exploration of Necrontyr Pyraminds on Angelis (from diary of Explorator Terson)

981. M41
--Navigator Durlan Ocellati discovers a rounte onto the Wheel of Fire, a sector of the Ultima Segmentium that had previously been inacessable.

983. M41
--Fire Hawks Chapter declared lost in the warp (see 963. M41).

984. M41
--7th Mordian Regiment raised and sent to pacify the Feral World of Floris III, which was populated with Orks using native feral humans as slaves.

986. M41
--An Imperial patrol notes unexplained scenes of destruction in the Ork sector of Jakor-Tal by mysterious power armoured figures.
Adaptus Prefectus Primus Wilhelm Franz sends report on the Planetary Background of Volistad following Waa Skroll.

987. M41
--Space wolves 519th crusade ends in the Wheel of Fire (Orks cleared).
Imbound frigate Emperor's Light avoids collision with an outgoing unidentified Space Marine Battle Barge at the Cift Warp Gate. Eldar pirate fleet wreckage found in the Cift system.

989. M41
--Warlord Snagrod, the Arch-arsonist of Charadon, invades Badlanding. The 18th Mordian, 24th Lammas and 49th Boros regiments commanded by Commissar-General Alhaus Baldur are defeated within days. Snagrod boasts of his ability to destroy the Rynn's World, site of the Crimson Fists Chapter's Fortress-Monastery.
In retaliation, the Fourth Company of the Crimson Fists assaults Badlanding. The failed attack on Warboss Uzrog Mag-Kull's warband results in a loss of 56 Space Marines out of the company's 84, Captain Drakken is among the fallen. Any following raids are suspended indefinitely and all companies of the Crimson Fists are recalled to Rynn's World.
Warlord Uzrog attacks Rynn's World. A rogue plasma missile devastates the Crimson Fist's fortress-monastery. Only a handful of Space Marines and Chapter Master Pedro Kantor survive. The Crimson Fist fall back to New Rynn City to hold out against Uzrog's siege.
The Ulthwe Craftworld is detected in the Segmentum Obscurus, Western Quadrant.

990. M41
--Warlord Gorbad of the Redskulls tribe begins his conquest of the neighboring tribes on Alacanth, Redwold and Tyr.

992. M41
--Second Tyrannic War. Imperial outpost of Callus is attacked by Hive Fleet Kraken.
Hive Fleet Kraken overruns Molech I, II and III after destroying a combined Imperial/Ulthwe Craftworld defense force. Iyaden Craftworld nearly destroyed by Hive Fleet Kraken (4/5ths of the Craftworld's population is slain).
Return of Yriel.

992
to
995 .M41
--Battle of Giant's Coffin. After their homeworld of Seth is destroyed, Chapter Master Thorcyra leads his remnant force of the Scythes of the Emperor in a final defence aginst Tyranid forces from Hive Fleet Kraken. Their fate remains unknown to the Imperium.
Space Marine Chapter Lamenters are badly depleated in the campain against Hive Fleet Kraken.
Assault of Ikkyo, a small agri planet near Ultramar. Tyranids attack a defense force of Iyaden Eldar and a small detatchment of the Ultramarines 4th Company. Marine / Eldar forces emerge victorious.
Inquisitor Carrax leads Strike Force Damacles against a force from Hive Feet Kraken. Tyranids victorious.

993. M41
--The Last Keeper of the Library Sanctus of Terra, Cripias, records the history of Mankind.

994. M41
--Adaptus Cronevald judges Cripias as a heretic. Cripias works are impounded and sealed.
--The Ork fleet of Waaagh Gorbad overruns the defenses of Commander Heironys in the Kolchis system. No Imperial reinforcements are sent as the Kolchis mines are expected to be depleted within twelve years.
--Prefect Vertex reports offer of Tau assistance in the evacuation of Aleph Sigma.

995. M41
--Lord Varlak leads a rebelion that is crushed by Marine forces in a major tank battle on the plains of Korsk II. Varlak is vaporised by a Multimelta while trying to escape.
Mentor Legion reports a new Genestealer strain aboard a drifting hulk Hades in the Easten Fringe. Strike cruisers Beloved Matyr and Ultimate Sacrifice of the Mentors sent to capture genetic samples. Half the Mentor's 1st company is overun by Tyranids. Hulk Powers up and Warps out before the Mentor Legion can counter attack, Half of the Chapter's Terminator suits are lost as a result.
Defense of Ichar IV. Marneus Calgar commands defence of Ichar IV along Imperial Guard and Eldar against the invaders of of Hive Fleet Kraken.
Outbreak of Zombie plague in Necromunda Underhive.
Decius Mus, the Arch-Heretic of Auscum, is captured in cooperation by the 23rd Bruttiam Regiment and the Lords of Wrath Chapter. Lt. Hesprix, commander of the Space Marine detachment singles out the 3rd Company, "Barca's Commandos", of the 23rd Bruttiam for "commendable fortitude and ability".

996. M41
--Agent Ossneous files report on Commander Farsight (Shas'o Vior'la Shovah Kaius Mont'yr).

997. M41
--The Imperial world of Piscina IV is attacked by Orks under the joint leadership of Ghazghkull Thraka and Nazdreg, Master Belial of the Dark Angels beats them off after a short but bloody campaign. Veteran Sergeant Naaman dies in the line of duty attempting to disable Ork tellyportas. Nazdreg's space hulk Scylla is destroyed in orbital battles, but it is believed the Ork Warlord escaped.
Inquisitor Fortex, Credo and Alexio along with the Salamanders Chapter eliminates the Temple of the Star Child on Levilnor IV, believed to be dedicated to the secret worship of Tzeentch.
Inquisitor Kryptman detects emmerging pattern of Hive Fleet Leviathan.
Siege of Macheria by Ork Warlord Gorbad Badaxe.
Heresy on Septimus Prime. Governor Hyphaestus Septimus backed by a Chaos Space Marine force revolts. The heresy is put down by an Imperial Crusade.
Genetor-Major Lukas Anzion files his report on the Orkoid species "Symbiosis of Anarchic Evolutionary Processes - Thoughts on Ork Exobiological Formatting and Development and Contemporary Theories thereof".

998. M41
--Coron Celcius found guilty of heresy in relation to knowledge of Necron files within the Forbidden Vault beneath the Administratium.
Ork Warlord Nazdreg Ug Urdgrub is reported to be operating in the Abiaus Sector following reports of an Ork leader in black and yellow armour capable of speaking Imperial Gothic well and using a reward/punishment system on human slave labor. Additional reports also indicate Nazdreg participated in the sacking of Hellaspont. It is believed he is currently seeking a replacement space hulk to replace the Scylla.
Imperial Fist Supremacy Force Durae, led by Captain Durae, and Imperial Fists warship Redemption of Fire arrive on Duras III and launch attack on Ork invaders in Duras City.
Space Hulk Haydes reappears near Terra. Terran Imperial Guard 1st company assaults the hulk due to lack of unoccupied Marine forces nearby. Their Colonel is overrun and later killed by his troops as he is ment to be implanted by the Tyranids.
Imperial forces discover and explore Necrontyr ruins on the desert world of Hydrax IV.
Inquisitorial Report on Ahriman of the Thousand Sons filed.

999. M41
--De'Aynes reports on the Fighting Ships of the Gothic Sector.
Following the interrogation of the Word Bearer Ragnorax by Interrogator-Chaplain Asmodai, Supreme Grand Master of the Dark Angels Azrael initiates a massive "Hunt for the Fallen".
--Interrogator-Chaplain Asmodai reports that although many Fallen were captured, Cypher still eludes the grasp of the Dark Angels.
--Genetor Secundus Zachary Santiago files his report on Tau evolution and technology.

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-and-
Imperial 40K Timeline

Had to split it up. Total characters was 60300 characters, 300 more than the maximum allowed...