So there's this online resource for gaming ideas, inspirational material, and basic tropes called
The Arcana Wiki that I've recently stumbled across.
It's very basic right now, apparently only growing slowly over the last few months, but I hope that I'll occasionally have the chance to contribute (I just spent far more time than I should have creating an entry for a favorite historical figure). There are certainly some nice news-article and history based ideas available there already and if it could grow to the point that the random generators they're building, or even just the site as a whole, got deep enough to really go mining in... well that'd be great.
So I'd like to encourage anyone who thinks they know of a real-life (or pre-existing fictional) event, person, place, or thing that could be especially good game-fodder to duck over there and add it on when they get the chance.