Fanon Timeline

Due to recent information, these articles are undergoing thorough and lengthy changes, more will some soon.

The History of the Imperium is vast, and riddled with tales of heroes and daemons.

Pre-History
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1st Century, M3
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Unspecified Date, 012-013.M3 - Imperial Reference
 * The Twenty First Century, as humanity knew it at the time.

The Age of Technology (M15-M25)
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1st Century, M25
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 * 000.M25 -

2nd Century, M25
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 * 100.M25 -

1st Century, M26
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 * 000.M26 -

2nd Century, M26
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 * 100.M26 -

1st Century, M27
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 * 000.M27 -

2nd Century, M27
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 * 100.M27 -

1st Century, M28
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 * 000.M28 -

2nd Century, M28
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 * 100.M28 -

1st Century, M29
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Unspecified Date.M29 - The First Founding
 * The Emperor of Mankind creates the twenty Space Marine Legions, and begins his efforts to unite the humans on Terra.

9th Century, M30
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800.M30 - The Great Crusade
 * With preparations ready, the Emperor of Mankind embarks on the Great Crusade across the galaxy with his twenty Space Marine Legions. During this time he locates all but two of his clones, the Primarchs, and gives them command of their respective legions. This continues for approximately two centuries.

1st Century, M31
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003.M31 - The Appointment of Jupiter
 * After a hundred and fifty years of distinguished service, Antilius Jupitus, captain of the XIII Legion 'Ultramarines' fifteenth company, is appointed master of the new Ultramarines twenty second chapter. He appoints his most trusted sergeants the rank of Captain and names Braetor Tirocrodies his successor as Captain of the Two hundred and thirty first company.

Unspecified Date.M31 - The Horus Heresy
 * In an act of bitter betrayal brought about by fear and corruption, Half of the Space Marine Legions and accompanying Imperial forces turn on the other half in a bloody civil war. In its climax, The Siege of Terra, The Emperor is forced to kill his favoured Son, Horus, and is mortally wounded, being interred in the Golden Throne for the next ten-thousand years.

021.M31 - The Second Founding
 * The Space Marine Legions which remained loyal to the Emperor are reorganized into smaller one-thousand strong Chapters following the Horus Heresy, as decreed in the teachings of the Codex Astartes, written by Roboute Guilliman.

8th Century, M31
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781.M31 - The First Black Crusade
 * The forces of Chaos invade out of the Eye of Terror, beginning the first Black Crusade, better known as The First Battle of Cadia.

1st Century, M32
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001.M32 - The Third Founding
 * The Third Founding is ordered by the High Lords of Terra, and many chapters are made to bolster the Imperium. Among those are the Blood Lords, the Iron Templars, the Golden Legion, the Prophets of Redemption, and the Swamp Foxes.

Unspecified Date.M32 - The Fourth Founding
 * In the Fourth Founding, there are more chapters created on order of the High Lords of Terra. Among these new chapters are the Blazing Claws.

6th Century, M32
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597.M32 - The Second Black Crusade
 * Abaddon leads his Second Crusade into imperial space. The Iron Templars respond with every available company, a quarter of the force moving to bolster Cadia while the rest of the chapter moves to secure nearby systems.


 * The force first encounters the Chaos Lord Alistair, who leads the last wave of ground forces against the planet fortifications, single handedly killing thirty of the over one-hundred Templars. In a stand against the Chaos Lord, High Marshal Baldrecht, the Master of the Iron Templars wounds Alistair, though is slain in the combat.


 * Marshal Ferimand takes up the title of High Marshal, and as result of the loss the Chapter repaints its armour from blue and white to red and white. Ferimand declares a blood oath to avenge their fallen, taking the name 'Blood Templars'.

10th Century, M32
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909.M32 - The Third Black Crusade
 * The Third Black Crusade launched by the forces of Chaos. Several chapters are called to action, including the Blood Templars. The Imperium is recorded as being victorious in the battle.

1st Century, M33
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 * 000.M33 -

2nd Century, M33
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 * 100.M33 -

1st Century, M34
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001.M34 - The Fourth Black Crusade
 * The Fourth Black Crusade. During this invasion chaos forces destroy the Citadel of Kromarch on the world of El'Phanor.

5th Century, M34
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Unspecified Date.Mid M34 - The Eighth Founding
 * During this Founding, a number of chapters are founded to keep the Space Marine Chapters at effective levels, joining the ranks in this founding are the Astral Swords, Sanguine Paladins, Howling Sons, and the Stone Giants, to name some.

1st Century, M35
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 * 000.M35 -

5th Century, M35
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Unspecified Date.Mid M35 - The Tenth Founding
 * This Founding comes about during the middle of the Thirty-Fifth Millennium under order of the High Lords of Terra.

1st Century, M36
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Unspecified Date.Early M36 - The Thirteenth Founding
 * The Dark Founding, the only Founding for which the Adeptus Terra does not have a gene-seed sample for the founded Chapters. There are CHAPTERS founded, though records of all have been lost to time.

2nd Century, M36
 Dating Code - Events  Unspecified Date.M36 - The Nineteenth Founding Unspecified Date.M36 - The Twenty-First Founding

8th Century, M36
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723.M36 - The Fifth Black Crusade
 * The Fifth 5th Black Crusade launched out of the Eye of Terror at Abaddon's hands.

10th Century, M36
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901.M36 - The Sixth Black Crusade
 * The Sixth Black Crusade to strike out at the Imperium of Man.

1st Century, M37
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Unspecified Date.M37 - The Twenty-Second Founding

9th Century, M37
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811.M37 - The Seventh Black Crusade
 * Also recorded as the Ghost War. The Blood Angels suffer horrible losses at Mackan.

10th Century, M37
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999.M37 - The Eighth Black Crusade

Unspecified Date.M37/M38 - The Twenty-Third Founding

6th Century, M38
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573.M38 - The Ninth Black Crusade

1st Century, M39
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001.M39 - The Tenth Black Crusade
 * Known as the Conflict of Helica. Iron Warriors fight the Iron Hands at Medusa.

4th Century, M39
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301.M39 - The Eleventh Black Crusade

1st Century, M40
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Unspecified Date.M40 - The Twenty-Fifth Founding
 * The second most recent officially recorded Founding in Imperial Records.

2nd Century, M41
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139.M41 - The Twelth Black Crusade
 * The Gothic War. Abaddon the Despoiler tries to capture the Blackstone Fortresses.

7th Century, M41
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642.M41 - The Freedom of the Twenty-Second
 * After ten and a half thousand years long lost in the warp, the Twenty-Second Ultramarines Chapter finally arrive in real-space, barely a week having passed shipboard time. They are thrown far off course from their original destination of Calth.

8th Century, M41
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738.M41 - The Twenty-Sixth Founding
 * The latest founding to date. Joining the ranks of the Space Marine chapters in the galaxy are the Blaze Ravens, Death's Harbingers, the Grey Sentinels, the Sons of Thunder, and others.

10th Century, M41
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999.M41 - The 13th Black Crusade
 * Ongoing 13th Black Crusade. Major attack on the Cadian system. The largest of its kind and most successful.

1st Century, M42
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 * 000.M42 -