One of the big ones, the ones that darken the sky and plunge the world into a "year there was no summer". You know, worldwide crop failures, famine, revolution. But I'm open to hearing about other catastrophes that would work for you. Ahh, 2020, you will be missed.
Maybe Yellowstone finally blows creating a gigantic earthquake. Kind of Natures way of saying, you want a divided country, try this on for size. A mile deep chasm, Washington state to Florida.
Blame James Woods, I never forgot the way he said "I hope you get anal herpes" to the Spanish speaking police in the movie Salvador. Blame James Woods for anything else you like, it probably was him. I have watched all movies where the world actually ends on a marathon binge in the bedroom cinema (5 king beds) I completed during the lockdown at our country cottage. I don't care if the world is destroyed but please, spare my new cinema.