Today, March 15, is known as the “Ides of March”. In Ancient Rome, the Ides of March was a common deadline for settling debts.
Most of us remember the Ides of March from Shakespeare’s Julius Caesar, in which a soothsayer tells the play’s eponymous protagonist to “beware the Ides of March”.
The real Julius Caesar was indeed stabbed on the Ides of March in 44 BC. Here’s a bit more information on the Ides of March and its significance.