Some Futurama fans have crafted a timeline of everything that has happened in the series that looks pretty thorough.

The last entry reads - ~1,000,000,000,002,000: Al Gore, Fry, Deep Blue, Stephen Hawking, Nichelle Nicholls and Gary Gygax finish playing Dungeons & Dragons (not that this is canon, of course)

Check it out here:

The super big complete-ish Futurama timeline