March XI, MMVII: IV days until the Ides of March!

Now you know why Arabic numerals are more popular today.

L = 50, X = 10, I = 1. A smaller digit to the left of a larger digit subtracts, a smaller digit to the right of a larger digit adds. Read numbers from right to left.
See? We're not JUST about smut and filth. We're about education and smut and filth.