Happy Friday the 13th!! We thought we would celebrate by listing some fun facts about this historically unlucky day. Enjoy!:

1.) Fear of Friday the 13th is called paraskavedekatriaphobia as well as friggatriskaidekaphobia. Triskaidekaphobia is fear of the number 13.

2.) President Franklin D. Roosevelt would not travel on the 13th day of any month and would never host 13 guests at a meal. Napoleon and Herbert Hoover were also triskaidekaphobic, with an abnormal fear of the number 13.

3.) Every year has at least one and at most three Friday the 13ths.  The triple-threat occurs only once every 11 years (2012 is a triple threat year—the next Friday the 13th occurs in July).

4.) Italians omit the number 13 from their national lottery.

5.) About 20 million Americans alter their daily routine out of fear of Friday the 13th.