In case you still haven't seen last night's Game of Thrones, this is a warning: Major spoilers lie ahead.
For the rest of you:
Yes, last night the legendary Red Wedding episode finally aired—yes, it was harder to watch than anyone could have ever anticipated. Questions we can't answer right now: Why does everyone keep dying? What does this show have against the Starks? Was baby Ned Stark's fate sealed the second Talisa suggested they name him Ned Stark? Everyone knows Sean Bean's characters always die! Everyone! (Seriously, they always do.)
Clearly, none of us are going to be getting over last night's episode for a long time, so we might as well learn something about history because of it. According to author George R. R. Martin himself, this traumatic event was actually inspired by a real-life event called "The Black Dinner," which took place in 1440. Martin explained to EW:
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We're not crying. It's just raining on our faces.