-M8	The Emperor is born in Central Anatolia.
750 - 314 AD	Roman Empire. The Chaos powers, Khorne, Tzeentch and Nurgle awake to full consciousness by the end of the Middle Ages.
400. M1	Eldar learn secrets of warp technology from the Slann. Old Slann culture dies out. Slann warn Eldar of the fall.
011. M2	Beginning of Second Epoch.
M3	Scientific advances of the third and subsequent millennia bring some knowledge of the warp to humans.
100. M3	Mars becomes the first world to be terraformed.
200. M3	Mars settled.
M4	Warp discovered.
M15	Humanity begins to colonise nearby solar systems using conventional sub-light spacecraft. At first, progress is painfully slow. Separated from Terra by up to ten generations in travel time, the new colonies have to survive on local resources.
M20	The Dark Age of Technology. Discovery of warp drives accelerates the colonisation process and the early independent or corporate colonies become federated to Terra. The first alien races are encountered. The development of the Navigator gene allows human pilots to make longer and faster 'jumps' through warp space than was previously thought possible. The great Navigator families, initially controlled by industrial and trading cartels, become a power base in their own right. Humanity continues to explore and colonise the galaxy. Contacts are established with the Eldar and other alien races. A golden age of scientific achievement begins. Perfection of the Standard Template Construct (STC) system now permits an almost explosive expansion to the stars.
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. Humanity explores and settles the galaxy following the discovery of warp drives allowing more rapid dispersion, first alien races encountered. All done in less than 1000 years. Navigator gene isolated, Navigators are powerful psykers able to pilot ships through the warp, and so 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.
M22	Alien wars. Mankind encounters and fights with Orks and Eldar.
M24	S. T. C lost. Appearance of psychic powers in humans, and warp entities (daemons)
M25	Horiax Treatise mentions genetic alteration techniques. Appearance of abhumans Homo Sapiens Giganticus, Rotundus and Minimus. Age of Strife. Humanity reaches the far edges of the galaxy, completing the push to the stars begun over ten thousand years before. Human civilisation is now widely dispersed and divergent - with countless small colonies as well as many large, overpopulated planets. Localised wars and disputes with various alien races, notably the Orks, but pose no threat to the overall stability of the human-colonised world. Then two things happen almost simultaneously. First, humans with psychic powers begin to appear on almost every colonised world. Second, civilisation starts to disintegrate under the stress of widespread insanity, daemonic possession, and internecine strife between these new 'psykers' and the rest of humanity. Countless fanatical cults and organisations spring up to persecute the psykers as witches, and/or degenerate mutants. At this time, the existence of the creatures of the warp (later known and feared as daemons), and the dangers they pose to the human mind with newly awakened psychic powers, is far from understood. Terrible wars tear human civilisation apart. Localised empires and factions fight amongst themselves as well as against fleets of Orks, Tyranids, and other aliens whose forces are quick to seize the opportunity to sack human space. Many worlds fall prey to the dominance of Warp Creatures whilst others revert to barbarism. Humans survive only on those worlds where psykers are suppressed or controlled. During this time, Terra is cut off from the rest of humanity by terrible warp storms, which isolate the home world for several thousand years, further accelerating the ruin of humanity. The Eldar begin to seed their 'Maiden Worlds. '
M27	A probe is dispatched from Terra, its mission to reach the utmost limit of the universe (14,000 years later it has yet to begin its return trip and many of the signals identified sent by the probe have been Orkish in nature).
M28	Civil war on Earth - No longer able to acquire sufficient food or resources and without access to the wider galaxy, Earth devolves into petty fiefdoms ruled by warlords. Billions die as a result of war and starvation. Grunhag the Flayer, Ork Warlord attacks the Squat Homeworlds with a huge fleet. Many strongholds are wiped out by the Orks, the epic ballad "The Fall of Imbach" commemorates one such destruction. This marks the beginning of Squat hostility towards Orks and distrust towards Eldar who stayed neutral in the conflict. This marks the end of the Age of Trade and the beginning of the Age of Wars between Squats, Eldar and Orks. Earliest modified warriors aid the Emperor in conquest of Terra.
M29	Earth is reunited under a new leader (the Emperor), this warlord begins a slow push to the stars. Upon his arrival on Mars, the Emperor is recognized as the Cult Mechanicus' Omnissiah of legend. Birth of Slaanesh ends warp storms isolating planets in Imperium. The twenty Primarchs are developed and are scattered across galaxy by Chaos powers before fully grown. The Great Crusade begins. Each of the Primarchs rediscovered.
826. M29	An ancient text details an altercation between the Primarchs Rogal Dorn and Night Haunter.
M30	Grabya's Theorem demonstrates how Primarch genetic data could be used to stabilise genetic development of Space Marines. Great Crusade continues. Sorian's Inductus Excelsus shows requirements for more warriors is vast. Accelerated gene-culturing techniques implemented, reducing processing time to create Space Marine to one year. However, accelerated gene-seed has unseen fundamental flaws. Astronomican Founding of the Astronomican, a psychic navigation beam directed by the Emperor himself. Interstellar travel becomes easier and quicker. Eldar Shrine of Asur founded. 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. The Craftworld of Altansar is swallowed into the warp leaving only Maugan Ra.
125. M30	The Lunar Wolves are renamed Sons of Horus in honor of their Primarch following the Warmaster's Ullanor Campaign.
350. M30	Karis Cephalon is rediscovered during the Great Crusade.
M31	The Horus Heresy. Nearly half of the Space Marine legions turn on the Emperor and follow Horus. Horus is defeated by the Emperor. Traitor Legions are driven into the Eye of Terror. Roboute Guilliman, Primarch of the Ultramarines, compiles the first Codex Astartes which lays down new organisational doctrine.
007. M31	Scouring of Istvaan III. Warmaster Horus, with the Worldeaters, Emperors Children, Death Guard and Thousand Son's Marines virus bomb and suppress a minor rebellion. Loyal marines aboard Frigate Einstein escape with news of Horus's corrupt activities. Horus Heresy begins . After several months, the Emperor orders seven legions of Marines to assault Istvaan III. Iron Warriors, Night lords, Word Bearers and Alpha legions defect to Horus, the other three are destroyed. Marines fight Marines all over the galaxy. 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 the Space Wolves is lost in the warp. Scyrak the Slaughterer kills the Chief Librarian of the Worldeaters as the Legion turns to the worship of Khorne.

014. M31

Siege of Earth. Horus lays siege to the Imperial palace. Defenders are overwhelmed and forced back to the Ultimate Gate. The Blood Angels hold at the Ultimate Gate. The Emperor, Rogal Dorn and Sanguinius teleport onto Horus's battle barge. Sanguinius is separated from the Emperor and finds Horus first. Horus offers him a place by his side but Sanguinius refuses and is slain. The Emperor then kills Horus and is so badly wounded that he is incarcerated within the Golden Throne. 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 the Ultramarines with only 1 in 10 surviving. Battle of Molech - Three Titan Legions and over a hundred Imperial Guard regiments and Knight households defend Molech against the Warmaster Horus and his armies. Knights of the Ruling Household (Devine) are seduced by Slaanesh during the 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 are from House Devine. The Emperor's Children fall upon the civilian population turning more than a million prisoners into an array of drugs for their pleasure. Great scouring. Rebel forces throughout the galaxy are exterminated (Chaos forces known as Traitor Legions retreat to the eye of terror. ). This marks the end of the Horus Heresy. The Dark Angels Legion is not at the siege of Earth, but instead are fighting each other on Caliban. Their Primarch is nearly killed by Luther, The Betrayer, Chaos wails against their Champion losing. Brother Captain Ulrain of the 14th Company of the Dark Angels Legion steals a Thunderhawk in the confusion of the battle on Caliban. A warp storm destroys Caliban, leaving shattered fragments of the world. The Dark Angels loyal to Luther are scattered throughout space and time. So too is Captain Ulrain and the twelve Dark Angels loyal to him.

015. M31

High Lords of Terra convened to provide guidance in the absence of the Emperor.

021. M31

Roboute Guilliman, Primarch of the Ultramarines Legion, compiles the first Codex Astartes. This volume lays down new organisational doctrine. This results in the Second Founding of Space Marines. Loyal Space Marine Legions are broken down into smaller Chapters, each numbering roughly 1,000 fighting troops, so that no one master can wield as much power as Horus did. 23 new chapters are created. One Chapter retains name and heraldry of Legion, other Chapters renamed and given icons and uniforms as detailed in Codex Astartes. The Grey Knights were created at this time as a Chapter specifically to destroy daemons. Worldeaters fight Emperor's Children on the daemon world of Skalathrax. Kharn's betrayal shatters once united Worldeater Legion into separate, roving warbands. Captain Ulrain makes his way into the Eye of Terror after raiding a forge world and stealing a space worthy star ship. Ulrain begins to have visions of his ascension, and begins his descent into madness.

188. M31

Ulrain gives into his visions, becoming Lord Arnell, Khorne has his new Champion.

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.

342 M31

Lord Arnell begins his ascent todaemon hood after winning a major victory deep within the Eye of Terror, taking a daemon world for his own against a rival Tzeentch Lord. Renaming it after his former mentor, the daemon world of Iunsan is born, and remade at his whim. Sand bursts from the ground, a river of blood slowly begins to flow and the surface is pockmarked with the standing stones.

356-372. M31

Vindicator created during third Rothern I pacification of the Great Heresy.

781. M31

The First Battle of Cadia

893. M31

Scribe First Order Wendel Voss records the Cleansing of Laeran in which the alien Laer are wiped out by the Emperor's Children led by Fulgrim.

M32

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.

243. M32

Inquisitor Damasko postulates that by reference to the Chaos Gods and associated daemons, other deities must have champions, possess worshippers, influence mortals or temporarily create manifestations in the form of daemons.

350. M32

Temple of the Saviour Emperor recognised as the official religion of the Imperium.

400. M32

Last of the Space Marine Primarchs dies (or disappears).

550. M32

Ecclesiarch Veneris II becomes a High Lord of Terra. (First member of the Monistorum to be so honoured).

751. M32

Rogue Trader Xiatal Parnevue first catalogues Naogeddon from orbit.

935. M32

Administratium suppresses Colonel Van Dyson's "The Dark Eldar Their Methods and How To Defeat Them, By One Who Has Done So. "

M33

Apocrypha of Davio lists the following as Second Founding Chapters Dark Angels - Angels of Absolution, Angels of Redemption, Angels of Vengeance. White Scars - Marauders, Rampagers, Destroyers, Storm Lords. Space Wolves - Wolf Brothers. Imperial Fists - Black Templars, Crimson Fists. Blood Angels - Angels Encarmine, Angels Sanguine, Angels Vermilion, Blood Drinkers, Fleshtearers. Iron Hands - Red Talons, Brazen Claws. Ultramarines - Novamarines, Patriarchs of Ulixis, White Consuls, Black Consuls, Libators, Inceptors, Praetors of Orpheus, Genesis Chapter. Salamanders - None Known. Raven Guard - Black Guard, Revilers, Raptors.

832. M33

The Castile V Massacre. Lord Periclitor slaughters missionaries and the Sororitas.

881. M33

Adeptus Terra officially recognises new semi-democratic regime on Karis Cephalon.

888. M33

The Martyrdom of Saint Jerome. Periclitor kills Jerome at Tosak.

M33

Second Founding Chapters named in Apocrypha of Davio. Inquisitor Goldo pens his seminal text 'Monodomination - the Right of Man to Rule the Galaxy in the Emperor's Holy Name. '

M34

Inquisitor Damne reports on Blood Angels and 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. " Dark Founding. Unknown number or fate of chapters in this founding.

012. M34

Alcmena Nebula Wars.

222. M34

Rogue Trader Uzieth Pallandro rediscovers Rynn's World.

238. M34

Rogue Trader Uzieth Pallandro rediscovers Badlanding.

722. M34

Age of Rediscovery Rogue Trader Dausen makes contact with the Squat Home World, Terlaken B3 Svyz, and notifies the Imperium. Orders for 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.

843. M34

Imperial Frigate, Hand of Mercy, detects a distress call from Grendel's World in the Ysobael Cloud of the Eastern Fringes. Scouts from the Mortifactors Space Marines investigate and report Night Lords are responsible for slaughtering the population.

967. M34

Sectoris Stabilis Mandate lays down tolerance limits for raiding activity.

M35

Grimoire Hereticus reports those Legions who turned traitor during the Great Heresy.

021. M35

Explorator Magos Dural Lavank's expedition lost on Naogeddon.

200. M35

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

342. M35

Inquisitor Eisenhorn declares Quixos all all his works Heretic and Extremis Diabolus.

334. M35

Planet Angelis surveyed by Imperium.

345. M35

Adeptus Prefectus Primus Saul Megellan reports on alignment of alien pyramids on the planet Angelis. Quixos hunted down and executed by cell of five Inquisitors led by Eisenhorn.

453. M35

Glaxia Daemonica Perpetua of Jerome describes Chaos and the Eye of Terror.

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

Adeptus Ministorum completes return to earth.

598. M35

Senatorum Imperialis declares new Space Marine founding. Astral Claws founded with sole responsibility of guarding space lanes surrounding the Maelstrom.

739. M35

The Last Stand of the 5th Armoured Terran Praefects.

789. M35

First Imperial contact with primitive Tau on planet T'au by Adeptus Mechanicus Eplorator vessel, Land's Vision. The Lasgun becomes standard issue for the Imperial Guard.

M36

Cursed Founding. Fire Hawks and other chapters are created with cursed gene seed. Some chapters are mutated horribly. Age of Apostasy 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 during which time the Administratum and the religious order of the Ecclesiarchy tore the Imperium apart from within. Sometime during this period the last of the Squat strongholds seceded from the Imperium. "Mythos Angelica Mortis" detailing history/myths of Adeptus Astartes transcribed.

053. M36

Longest recorded example of visions granted by the Black Rage to Chaplain Lestrallio.

215. M36

The Master of the Adeptus Astra Telepathica, Lord Phaedrus, is assassinated by Lord Vandire, the Master of the Administratum. Phaedrus could see through Vandires plots and deceits revealing his intentions.

288. M36

In the anarchic Wars of Vindication the Grand Master of Assassins himself fell to the Assassin's knife. 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 the conflict that involved nerve gases, neutronic warheads, and other banned weaponry the Grand Master departs into a self-imposed exile. Thereafter, the High Lords took special care to control the Officio Assassinorum so that, in theory, only traitors and heretics need fear it today. 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.

347. M36

Incident on Rukh's Paradise, Amerialla Belt, where members of the local population are found drained of blood; Blood Angels stationed on planet.

453. M36

Relations of Imperium with Alaitoc Craftworld cease due to outbreak of Beelze Conflict. Lexicos Aldus Mari is last diplomatic envoy to Alaitoc.

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.

453. M36

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

694. M36

STC Quest. Chief Artisan Tilius begins search for working STC.

776. M36

16th Armageddon Steel Legion end the Cassell Rebellion in less than six hours.

799. M36

The Sentry Vault Incident. Periclitor leading an army to Urus Prime reaches inner sanctum of the vault, best Grey Knights and receives favours from the Chaos gods.

994. M36

Razorback STC discovered by Tilius.

238. M37

M37

Inquisitor Horst comments "The Space Wolves encourage genetic deviancy and show extreme unorthodoxy in their tactics and organisation. " Liber Astartes states Ultramarines Legion is responsible for nearly 3/5ths of current Space Marine Chapters gene-core. Angels of Wrath Chapter is eliminated by the Adeptus Ministorum following rejection of replacing its chaplains with Imperial missionaries and erased from Imperial records. The only survivors are from the Tenth Company. Explorator Magos Prime Holisen Zi's expedition lost on Naogeddon.

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. Lord Arnell manages to capture a single Tech Marine, and he begins to build a number of daemon engines for use against his enemies. With time, the Techmarine teaches his craft to a number of Chaos Space Marines under Arnell's command.

576. M37

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

811. M37

The slaughter of the Blood Angels at Mackau.

885. M37

Aftermath of Balsoir Symposium investigated by Ordo Malleus and Relictors Chapter reveals effects of Tzeentchian daemons on casualties.

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. font>

220. M38

Ambush of Chapter Master Orlando Furioso of the Howling Griffons at Arios Point.

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.

273. M38

The Corruption of the Sanctity IX Pedagogue.

463. M38

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

788. M38

Adeptus Mechanicus research team discovers pyramid associated with Necrons. Pyramid defies detailed examination by team due to dense material it is made from.

846. M38

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

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 extendes the Adepta Sororitas Convent buildings to accommodate almost 15,000 warriors each.

873. M38

The Skopos Incident. Adeptus Mechanicus facility taken over by aliens, possibly Necrons. 22nd Elyssian Regiment send to reclaim facility but retreat due to casualties. Skopos destroyed by bombardment by supporting fleet.

967. M38

First recorded Imperial encounter with Archon Kruellagh.

M39

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

087. M39

Salamanders Chapter cleanses Ymgarl and its moons of any signs of life due to Genestealer infestation.

187. M39

Incitement of the Braun IV Tithe Wars. Periclitor elevated to Daemonhood. Trans-Kurani sub-sector erupts in civil war as Bray is heavily taxed to pay for orbital defence.

332. M39

Inquisitor Grim reports White Panthers ruthlessly suppress rebellion on Kethra.

373. M39

Delta 9 Massacre. Asdrubael Vect, Supreme Lord of the Kabal of the Black Heart, leads attack on Imperial planet.

376. M39

Genetor-Major Xabriol does research on the Orkoid species.

547. M39

Battle of Regi IV. Weapons recovered from Eldar pirate for study.

694. M39

Eldar pirates attack Jericho III, destroying capital, killing 3200 defence personnel and 1400 civilians, capturing 1500 defence personnel and 16800 civilians.

699. M39

Remains of convoy en route to Vistro discovered. Imperial Navy Cruiser Judgement, four escorts and twelve Free Charter merchant vessels destroyed. Two destroyed Eldar vessels recovered for analysis.

705. M39

Eldar troops penetrate polar arsenal of Stratix Forge World and make off with undisclosed amount of experimental military hardware.

709. M39

Contact with colony on Banelund XI lost. 1200 colonists slain or missing, presumed captured. Eldar warpspace portal discovered.

719. M39

At Jurn Orbit Imperial Naval vessels clash with Eldar. Loss of Battleship Excessive Force, the cruisers Pious Victory and Mighty Endeavour plus eight assorted support vessels. Eldar lose twelve ships.

763. M39

Crusader pattern Land Raider becomes officially recognised by Techpriests of Mars. Amadeus Kreutz writes "Summary of the Myths, Legends, and Beliefs of the Eldar Race. "

789. M39

Lord Kegarin, Planetary Governor 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.

812. M39

Techmarine Suprema Lysol Blane of the Imperial Fists writes the Liber Proditor Armorum which contains information on the Traitor Legions' use of armoured vehicles.

980. M39

Space hulk Unholy Harbinger discovered with dense asteroid of Necron manufacture deep within the core. Inquisitor Daska killed while studying Necron artefact. Unholy Harbinger destroyed by salvo of torpedoes. The Imperial Garrison on the world of Danitun is captured by Lord Arnell, who begins to worship Khorne as their new master. Their forges begin work, turning out massive fleets of armoured vehicles, most of which are possessed by daemonic entities and bound to the armoured shells. Warp storms engulf the system after Arnell leaves, protecting it from the Inquisition for several centuries.

998. M39

Space hulk Unholy Harbinger, constructed from thirty eight to forty two separate craft, at least thirteen of non-human origin, discovered just inside the Cloras jump point. Due to suspected collision course with Cloras III's major orbital, Helios, Black Templars summoned to secure engine control systems to allow space hulk's course to be altered. Unholy Harbinger thought to contain Standard Template Constuct data.

140. M40

During the Vern IV offensive, the Death Spectres Chapter loses almost all of its Predator Destructors to an Eldar of the Kabal of the Envenomed Thorn ambush.

245. M40

Rynn's World granted as homeworld to the Crimson Fists at the termination of the Vortigen Crusade. Crimson Fists fortress-monastery located in inhospitable Hellblade Mountains.

450-465. M40

The most complete version of Thorian beliefs, the Principles of the God Incarnate, enshrined in the Hesten Manuscript, compiled by Inquisitor Hesten.

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 the Imperial Fists awarded Imperial Laurel by Captain Venatus of the Second Company for his acts of extreme courage and resilience under fire.

734. M40

Inquisitor Garillion witnesses Blood Angels sleeping in sarcophagi used to create them.

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.

755. M40

Chronal Dirge of Cestus IV compiles report on the Eldar.

757. M40

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

924. M40

Urgak the Unstoppable is assassinated by Vindicare assassin Skult on Roxanzand, Chelio Sector.

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

Abaddon's tech-priests 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.

990. M40

Abaddon's advisor, Zaraphiston, leads Abaddon to the Daemon world of Spawndeath. Abaddon returns and urges his tech-priests to increase their efforts to complete construction of the Planet Killer.

M40

Zhoros (the Fire Hawks home world) is thermal bombed.

009. M41

Xavier is apprenticed to Salamanders. Chaplain Hasdrubael officiates at Xavier's initiation into Chapter and Xavier impresses the Chaplain deeply.

022. M41

Chaos Space Marines raid Attica II and IV, but leave Attica Prime and its Planetary Governor, Erwin Borstar alone.

139-160. M41

The Gothic War. Abaddon leads huge force against the Gothic Sector with the aim of capturing the Blackstone Fortresses.

145. M41

Falsified fleet movement instructions are uncovered following the complete destruction of Battle Group Portentia by unkown attackers - Alpha Legion possibly involved.

150. M41

The Battle of Gethsemane.

151. M41

The Battle of Schindlegeist.

213. M41

Forge world of Castabury in the Bethamor system falls to surprise attack led by Orks of Warlord Skarmork. Castabury is liberated by Death Korps of Krieg.

255. M41

A sudden plague of Crixian locusts on the agri-world, Daethryu Prime, decimate food crops causing widespread famine. Riots break out and local army mutinies. Loss of food exports from Daethryu Prime causes major supply problems in the sub-sector which hinders Imperial forces in subsequent years during Chaos incursions into Segmentum Pacificus. Alpha Legion is involved.

337. M41

Imperial Forces and Blood Reavers recover Word Bearers' Land Raider on Merric's World. Inquisitor Le Guinn of the Ordo Malleus investigates daemon possessing Land Raider and is destroyed in process.

356. M41

Severus is accepted by Ultramarines and successfully completes his training.

357. M41

Forces of Chaos, led by Abaddon the Despoiler. Land on Urthwart. Chaos Defilers successfully used in beseiging Bloden Keep and it falls within an hour.

358. M41

Severus receives Marksman Honour while a member of the Ultramarines' 6th Company in combat against Eldar Pirates.

359. M41

Severus receives an Imperial Laurel after being wounded in cleansing of Copul IV.

362. M41

Severus is promoted to sergeant of the Ultramarines' 3rd Company and commands a squad through the Siege of Belios and the first Balur Crusade.

367. M41

Severus receives Terminator honours.

371. M41

Severus is critically injured during the Battle of Corinth. His mortal remains are used to replace those of Brother Commodius in the Dreadnought Ironclaw.

444. M41

The First War for Armageddon.

445. M41

Prefect of Soliden, Erasmus Phramtle, notifies Council of the threat of alien aggressors in the Donorian Sector.

474. M41

Increase in warpstorms causes disruption to deliveries to Armageddon leading to food riots and eventually an armed revolt.

499. M41

The Bellum Chaotica states that Daemon Prince Angron raises mighty horde of mutants, daemonhosts and renegades, which use the space hulk Devourer of Souls to close in on Armageddon.

641. M41

Explorator Magos Prime Reston Egal surveys Naogeddon and catalogues Xeno structures of Necron origin. World declared Purgatus.

698. M41

The Corinthian Crusade. Marneus Calgar is elected leader of combined Space Marine force of Ultramarines, Lamenters, Marines Errant, Angels of Absolution and Silver Skulls on a seven year crusade. Ork empire of Charadon suffers a series of heavy defeats, delays invasion of Waaagh Argluk by some thirty years.

704. M41

Siege of Tulwa. Calgar leads infiltration force which destroys the Fortress of Pain of the Iron Warriors Legion.

727. M41

Magos Biologis Salk of the Draco Legion Biomedical Research Station, New Hallefuss, details the bio-weapons used by the Tyranids.

742. M41

Crusade in the Lithesh Sector. Imperium tries to restore grip on string of sub-sectors stretching between the Damocles Gulf and the Perdus Rift Anomaly.

745. M41

First documented encounter between mankind and Tyranids. Adeptus Mechanicus Explorator station at Tyran attacked and consumed but records allowed Inquisitor Kryptman to identify attacks and predict course of Hivefleet Behemoth. Ultramarine Dreadnought Severus participates in the Joran retaliation against the Tau Empire. Ultramarines' 3rd Company captain, Ardias, is killed shortly before force withdraws. Battle of Macragge. Calgar leads fleet of Ultramar against Hivefleet Behemoth. Entire Ultramarine's first company wiped out; Tyranids defeated.

753. M41

Marshal Primus Rogal Surr intercepts transcript of Cult Mechanicus trial in which Tech-Adept Uvochi is accused of techno-heresy.

759. M41

Scouring of Quintarn. Calgar drives Ork scavengers from triple system of Quintarn, Tarentus and Masali.

760. M41

Tau commander O'Shovah establishes a string of heavily fortified stronghold-colonies.

763. M41

Sack of Penury IV. Tau Fire Warriors fight alongside pirate forces.

765. M41

Space Marine Chapter losses lost in warp 13; irrecoverable battle losses 21; gene-seed failure 9; inquisitorial purge 4; other circumstances 16.

766. M41

Magos Biologis Salk of the Draco Legion Biomedical Research Station, New Hallefuss, describes the steps Tyranids use to assimilate a planet.

785. M41

The N'kele Massacres. Necron raids begin in the Roian Strait of the Segmentum Obscurus.

807. M41

Purgation of Jhanna. Calgar leads two Ultramarine companies and recaptures oceanic cities of Omon and Vorlencia.

839. M41

The Magos Biologis of New Hallefuss debate the theories of the Tyranid Hive Mind.

850-901. M41

Sons of Anteus answer plea for help from Guild Fathers in the Third Inter-Guild War of the Inca Sector.

853. M41

Battle of Steel Cross. Captain Cortez of the Crimson Fists slays Ork Warlord and his entire bodyguard.

861. M41

Battle of Arconar. Calgar defeats powerful coalition of Eldar raiders on feral world of Arconar.

867. M41

Captain Cortez of the Crimson Fists manages to break through Eldar lines; suffers seventeen wounds, including a stabbing wound to one of his hearts.

879. M41

Battle of Knarts Landing. Calgar eliminates rebel army led by General Dornal in thirty day battle on industrial world of Knarts Landing. Ultramarines casualties less than 17%.

897. M41

First recorded contact with Necrons by Imperial forces of the Sisters of the Adeptus Sororitas at Sanctuary 101.

892. M41

Captain Cortez of the Crimson Fists defends breach in Fortress Maladon's wall for twenty-one hours of constant fighting.

901-912. M41

The Badab War. Rebel Space Marines of the Tiger Claws led by mentally unstable Commander Huron joined by Executioners and Lamenters destroy Imperial Ships around Badab. Fire Hawks, Marines Errant, Red Scorpions, Minotaurs, Star Phantoms, Exorcists, Fire Angels, Salamanders, Space Sharks and Sons of Medusa all involved in quelling rebellion.

903. M41

Captain Cortez of the Crimson Fists fights through entire Kardian campaign without supplies. Canoness Sepherina makes a pilgrimage from Terra to Sanctuary 101 to reconsecrate the hallowed ground of the convent after the Necron attack six years earlier.

917. M41

Battle of Amion fought against rebel forces of the King of the Further Reaches. Tech-Marine Clearn and his driver Marine Rillan of the Red Talon Space Marines in Land Raider Eagle's Claw breach rebel's main defensive lines, which leads to final defeat of rebels. Azrael becomes Master of Death Wing.

921. M41

A variant Genestealer with sac-like pouches containing virulent inorganic poisons and haemotoxins is captured.

939. M41

Azrael becomes Grand Master of the Dark Angels.

941. M41

Ghazghkull launches a massive campaign of destruction, which begins with the bloody invasion of Armageddon.

943. M41

The White Scars' Great Khan Kyublai vanishes fighting the Dark Eldar.

944. M41

Balur Crusade. Calgar elected leader of Space Marine force operating against worlds in the Eastern Fringe. Operation begin with scouring of Ork-held Balur and end with devastation of Boros.

963. M41

Fire Hawks Chapter disappears during warp jump to the Crows World subsector.

978. M41

Purging of Xoedic Binary by Grey Knights.

983. M41

23rd Bruttiam Regiment raised in response to Administratum decree requesting troops to take part in the Third Araklionid War. Fire Hawks declared lost in the warp twenty years after setting out for Crow's World on a counter-invasion mission against the Eldar.

983-985. M41

Creed and Kell fight through Hrud migration.

987. M41

23rd Bruttiam Regiment eliminates Eldar raiding force that attacked Xenthorp Minor.

989. M41

Warlord Snagrod the Arch-Arsonist of Charadon invades Badlanding and then Rynn's World homeworld of the Crimson Fists. Helbrecht is elected High Marshal of Black Templars. Verdus Prince Desecration of the Basilica of St Capilene - Necrons engage with Black Templars.

992. M41

Reports of Hivefleet Kraken in eastern fringe. VIII Kimmerian regiment assisted by Jotun Bearclaw's Space Wolf Great Company in Brightfast Mountains of Ichar IV. The Imperial Guard regiment is wiped out attacking a Tyranid brood nest. Lord General Creed annihilates Ulthwe raid on Aurent.

993. M41

Splinter fleets from Hivefleet Kraken move towards galactic core. After seventy years of labour, and following on from the work of eight hundred and thirty six generations of Keepers of the Library Sanctus of Terra, Keeper Cripias finishes the history of the majesty of the Human race. He is declared a heretic in the following year.

994. M41

Evacuation of Aleph Sigmar. Prefect Vertex evacuates planet in face of Tyranid splinter-fleet from Ichar IV, Hivefleet Harbinger.

995. M41

Defence of Ichar IV. Calgar acts as supreme commander in defence of Ichar IV, a vital industrial world on the Eastern Fringe. Tyranid invaders held in check by combined force of Space Marines, Imperial Guard and Eldar. Lords of Wrath Chapter and 23rd Bruttiam Regiment capture and arrest Decius Mus, better known as Arch-Heretic of Auscum.

997. M41

Inquisitor Kryptman identifies pattern of attacks by Tyranid Hivefleet Leviathan stretching along the Ultima Segmentum, Segmentum Tempestus and Segmentum Solar. Centre of attacks close to Ork empire of the Overfiend of Octarius. The Temple of the Star Child is destroyed on Levilnor IV.

998. M41

Massacre on desert planet Triasta by Necrons. Deathwatch investigation proves that Necrons teleport back to tomb complexes. Inquisitor Lichtenstein declared Excommunicate traitoris.

999. M41

Third invasion of Armageddon led by Ork Warlord Ghazghkull Mag Uruk Thraka. Inquisitor Apollyon detects taint of Chaos on Thracia. Ultramarines defeat Nightlords and traitor PDF units. Turning point in campaign is taking of bridge two-four. Magos Trantor puts forward theories for the workings of Necrontyr weapons. Inquisitor Apollyon reports on the excavation of Adeptus Mechanicus geno-lab on Incunabla by Explorator Marco Pteronus. Secrets regarding the Cursed Founding, five thousand years earlier, are revealed. Creed becomes Lord Castellan of Cadia after members of the Cadian High Command are murdered.

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