With Nirvana’s ‘Nevermind‘ turning 20 this month we’re already preparing ourselves for an onslaught of faux-fan nostalgia from anyone born before 1980. But a lot has happened since Smells Like Teen Spirit. You might have a lot of catching up (or pretending) to do if you haven’t brushed up on your grunge historia—or if you weren’t there in the first place. From Krist Novoselic’s political career to cover baby Spencer Elden’s everlasting fame, consider this your cheat sheet for what’s been going while you were growing up and putting your Doc Martens into storage.