The portentous Ides of March marks the day in 44 B.C. that Roman dictator Julius Caesar, despite warnings, was assassinated by a group of conspirators, including his pals Brutus and Cassius.

Across the world, lit nerds and history buffs alike are celebrating the big day. Reenactments are taking place. The hashtag #IdesofMarch is even trending on Twitter, which has unleashed a torrent of puns. Here's a look at the idescape.

First, brand engagement:

Product placement:

Then, the classic Caesar salad jokes:

Meanwhile, in actual Rome, this was happening:

For a modern adaptation, this clip from Mean Girls is making the rounds: