Let's take a look at some famous stories that could have taken place in the past of Warhammer 40K.
Warhammer 40K is a huge sprawling universe and timeline. However much of it remains a blank space of unknown. We have some decent ideas of events that have happened between M30-M41, as this is covered by the game. In addition, we know that real-life events up until at least the Soviet invasion of Afghanistan happened. But between M2-M30 there isn't much we know other than some major broad strokes. So today just for fun let's take a look at a few other stories, or settings, that totally could have taken place in Warhammer 40K's past.
Akira
Akira is a classic anime/manga. Though it is set in 2019 in Neo-Toyko, this is honestly a story that wouldn't be out of place in any part of 40K timeline. This is a story set in a massive sprawling, decaying hive-like city. A city ruled by harsh law enforcement and secretive military-industrial types. It's about gangs fighting the police and each other, hoping things will get better. And of course it's about crazy psychic mutants that are a danger to everyone. I mean... that's pretty Warhammer right on the nose right? This could be easily have happ...