Caesar:
Who is it in the press that calls on me?
I hear a tongue shriller than all the music
Cry "Caesar!" Speak, Caesar is turn'd to hear.
Soothsayer:
Beware the ides of March.
Caesar:
What man is that?
Brutus:
A soothsayer bids you beware the ides of March.
Julius Caesar Act 1, scene 2, 15–19
William Shakespeare
Iron Maiden - "The Ides of March" https://www.youtube.com/watch?v=MK667IOHtsw
it's also the day for the "first four" of the mens NCAA BB tourney...