History, focusing on American history, with a minor in political science. Do I use it for my career? Not directly. But, when I started my career, I was an editor, and being an editor uses a lot of information from a lot of different fields, even if it’s not for a book specifically on, say, history. So I think my degree has been useful indirectly. But when I have more time, I might offer my theory on how college (in America) might be largely an exercise to delay people getting completely into the workforce.
(I just answered this because it seemed interesting, not because I’m out of other topics.)