M22

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Year	Event
M22[1][2][3]	The development of the navigator gene allows human pilots called Navigators to make longer and faster 'jumps' through the Warp than was previously thought possible. The great Navigator families, initially controlled by industrial and trading cartels, gradually become power bases in their own right. Humanity continues to explore and colonise the galaxy, while the human worlds politically unite and a golden age of scientific achievement begins. Non-aggression pacts are signed between humanity and dozens of alien races. Perfection of the Standard Template Construct (STC) system allows an almost explosive Human expansion to the stars. This Golden Age of Mankind continues until M25.[1][2][3]
	On the order of the Cabal, Damon Prytanis murders Maser Hassan in the Spire Temple before he can give his Word of the Law speech.[4]
late M22[5]	Psykers are first mentioned in records. They make sudden appearances across all human civilizations.[5]

Sources

This article includes background material from a Black Library publication re-released under the Heretic Tomes banner which, per the Heretic Tomes Publication Disclaimer, contain parts which are considered outdated and in contradiction of established background lore.

• 1: Warhammer 40,000: Rogue Trader^[Help]
• 2: Space Marine (Novel)^{[Help] Heretic Tomes}
• 3: Galaxy In Flames (Novel) page 410^[Help]
• 4: The Unremembered Empire (Novel) Chapter 7
• 5: Warhammer 40,000 6th Edition Rulebook pg. 167

M21	Timeline	M23