If you turned one of the rubik's cube faces every second it would take you 1,400 trillion years to go through every possible configuration.
Franklin D. Roosevelt would never travel on the 13th day of the month and would never host a White House dinner with 13 guests.
Tis the season to be jolly I'm not sure if this is little known or not but during the Christmas holidays there is a lot more depression, suicide and murder rates go up as well as general crime and accidents. Have yourself a Merry Little Christmas