Friggatriskaidekaphobia -- the fear of Friday the 13th. The Frigga is for Friday, the triskai is for 3, the deka means 10, so triskaideca means 13, and phobia is the fear. Why Friggan worry about it?
Pi Day -- celebrated on March 14th (3/14) around the world. Pi (Greek letter “π”) is the symbol used in mathematics to represent a constant — the ratio of the circumference of a circle to its diameter — which is approximately 3.14159. Celebrate with a slice of your favorite Pi !
So what about the Ides of March, and why should you be beware of them? In ancient Rome, the Ides of March were equivalent to our March 15. In the Roman calendar, this date corresponded to several religious observances. The Romans considered the Ides of March as a deadline for settling debts. If you’ve heard of the Ides of March, it’s probably thanks to William Shakespeare. In his play Julius Caesar, a soothsayer attracts Caesar’s attention and tells him:
Beware the ides of March.