Fanon Timeline

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

=Pre-History=

Unspecified Century, -M8
 Dating Code - Events 

Unspecified Date.-M8 - The Ultimate Sacrifice =The Age of Terra (M1-M15)=
 * A conclave of shamans, ancient psykers with great knowledge of the warp, sacrifice themselves in one great pact, pooling together their collective power into a newly born living being. This child later becomes known as the Emperor of Mankind, the greatest human psyker to ever live.

1st Century, M3
 Dating Code - Events 

Unspecified Date, 013-014.M3 - Imperial Reference =The Age of Technology (M15-M25)= =The Age of Strife (M25-M30)=
 * The Twenty First Century, as humanity knew it at the time.

Unspecified Century, M29
 Dating Code - Events 

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

Unspecified Century, M30
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Unspecified Date.M30 - Event

=The Age of The Imperium (M30-Present)=

9th Century, M30
 Dating Code - Events 

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 of his clones, the Primarchs, and gives them command of their respective legions. This continues for approximately two centuries.

Unspecified Century, M30
 Dating Code - Events 

Unspecified Date.M30 - Event

1st Century, M31
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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
 * With the Imperium in a relatively stable state, the Space Marine Legions which remained loyal to the Emperor are reorganized into smaller One-thousand strong Space Marine Chapters following the Horus Heresy, as decreed in the teachings of the Codex Astartes, written by Roboute Guilliman.

8th Century, M31
 Dating Code - Events 

781.M31 - The First Black Crusade
 * Ezekyle Abaddon, former first captain of the traitor Sons of Horus, embarks on the the first Black Crusade at the head of a chaos army, this battle is also known as The First Battle of Cadia.

Unspecified Century, M31
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Unspecified Date.M31 - Event

1st Century, M32
 Dating Code - Events 

001.M32 - The Third Founding
 * The Third Founding is ordered by the High Lords of Terra, creating many new Chapters to bolster the Imperium.

6th Century, M32
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597.M32 - The Second Black Crusade
 * Abaddon the Despoiler begins the Second Black Crusade, which results in a failed attack on defences of Cadia.

10th Century, M32
 Dating Code - Events 

909.M32 - The Third Black Crusade
 * Abaddon the Despoiler launches the Third Black Crusade, though little is recorded of it.

Unspecified Century, M32
 Dating Code - Events 

Unspecified Date.M32 - The Marines Malevolent
 * An unknown founding takes place in M32, resulting in the creation of the Marines Malevolent.

Unspecified Century, M33
 Dating Code - Events 

Unspecified Date.M33 - Imperial Reference
 * A second unknown founding is listed in Imperial records, this time the Angels Porphyr, Howling Griffons, and Sons of Guilliman join the ranks of the active Imperial Space Marine Chapters.

1st Century, M34
 Dating Code - Events 

001.M34 - The Fourth Black Crusade
 * The beginning of Abaddon's Fourh Black Crusade. The Citadel of Kromarch on El'Phanor is destroyed during this time.

Unspecified Century, M34
 Dating Code - Events 

Unspecified Date.Mid-M34 - The Eighth Founding
 * It is at some time during the middle of M34 that the Eighth founding is called for.

Unspecified Century, M35
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Unspecified Date.Mid-M35 - The Tenth Founding
 * A millenia after the Eighth, the Tenth Founding takes place.

8th Century, M34
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723.M36 - The Fifth Black Crusade
 * Abaddon begins his Fifth Black Crusade into Imperial space, though little is recorded.

10th Century, M34
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901.M34 - The Sixth Black Crusade
 * Like the previous two centuries before, Abaddon's Sixth Black Crusade has very little recorded information.

Unspecified Century, M36
 Dating Code - Events 

Unspecified Date.Early-M36 - Lost records
 * The "dark" thirteenth founding takes place, though gene-seed samples for these created chapters are lost.

Unspecified Date.M36 - The Nineteenth Founding
 * The Nineteenth founding takes place, less than a millenia after the Thirteenth.

Unspecified Date.M36 - Cursed Sons
 * In an attempt to cure flaws in the Gene-seed of some Chapters, the Twenty First Founding is called for, though all the created chapters fall victim to mutation, heresy, rebellion, or simple bad luck.

9th Century, M37
 Dating Code - Events 

811.M37 - The Seventh Black Crusade
 * Also known as The Ghost War, Abaddon leads his Seventh Black Crusade into the Imperium. The Blood Angels are one of the few chapters to respond in time, though their force is slaughtered at Mackan.

10th Century, M37
 Dating Code - Events 

999.M37 - The Eighth Black Crusade
 * Abaddon launches his Eight Black Crusade following his successes in the Ghost War, though information on this crusade is minimal.

Unspecified Century, M37
 Dating Code - Events 

Unspecified Date.M37 - Imperial Reference
 * At some point during M37, the Disciples of Caliban are founded.

6th Century, M38
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537.M38 - The Ninth Black Crusade
 * Abaddon launches his Ninth Black Crusade, though like those before, little information is recorded.

Unspecified Century, M38
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Unspecified Date.M38 - Imperial Reference
 * At some point during M38, the Celestial Lions are founded.

1st Century, M39
 Dating Code - Events 

001.M39 - The Tenth Black Crusade
 * Abaddon and the forces of Chaos launch the Tenth Black Crusade, which becomes known as the Conflict of Helica. During this crusade the traitorous Iron Warriors fight the Iron Hands at Medusa.

4th Century, M39
 Dating Code - Events 

301.M39 - The Eleventh Black Crusade
 * Little is known of Abaddon's Eleventh Black Crusade.

Unspecified Century, M39
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Unspecified Date.M39 - Event

Unspecified Century, M40
 Dating Code - Events 

Unspecified Date.M40 - Omega
 * After over a millenia of no known founding, the Omega Marines join the ranks of Active Space Marine Chapters throughout the Galaxy.

Unspecified Date.M40 - The Twenty-Fifth Founding
 * The Second most recent, the Twenty-Fifth Founding, takes place some time in M40.

1st Century, M41
 Dating Code - Events 

000.M41 - Event

2nd Century, M41
 Dating Code - Events 

139.M41 - The Twelfth Black Crusade
 * Abaddon the Despoiler launches the Twelfth Black Crusade into the Gothic Sector, this later becomes known as the Gothic War as Abaddon tries to capture the Blackstone Fortresses.

3rd Century, M41
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200.M41 - Event

4th Century, M41
 Dating Code - Events 

300.M41 - Event

5th Century, M41
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400.M41 - Event

6th Century, M41
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500.M41 - Event

7th Century, M41
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600.M41 - Event

8th Century, M41
 Dating Code - Events 

738.M41 - The Twenty-Sixth Founding
 * The most recent founding to date, the Twenty-Sixth, takes place towards the end of M41, a short time before the first Tyrannic War.

9th Century, M41
 Dating Code - Events 

800.M41 - Event

10th Century, M41
 Dating Code - Events 

900.M41 - Event 999.M41 - The Thirteenth Black Crusade
 * Abaddon and his forces launch the Thirteenth Black Crusade. A major attack on the Cadian system ensues, and has yet to be repelled.

Unspecified Century, M41
 Dating Code - Events 

Unspecified Date.M41 - Furion's Rampage
 * The Khornate lord Furion launches a little known Black Crusade at some point in the Fourty First Millennium. His Crusade is halted when he is defeated by the Dark Angels Third Company.

Unspecified Century, M42
 Dating Code - Events 

Unspecified Date.M42 - Event