10 Biggest Catastrophes In DC Comics
1. Crisis On Infinite Earths
With perhaps the best (if most dramatic) of any DC event in history, Crisis on Infinite Earths is what it says on the tin, covering a catastrophe that hits the entire multiverse, and ends up ending entire universes before it's done.
With heroes from both Earth-One and Earth-Two coming together to try and stop the collapse of existence as they know it, the stakes have never seemed as high - as we're not just witnessing the potential ending of the 'main' DC universe, but also every single alternative one imaginable, which is a disaster on an almost inconceivable scale.
The event was big enough to be to this day referred to as 'The Great Disaster', which is a pretty hefty statement, given that the superheroes seem to combat a world-ending threat every other afternoon.