Mathematical fact: 1956 is the number of ways to color the vertices of a triangle with 18 colors, up to rotation.
Trivia: 1956 is a boring number.
Historical date: May 9th is the day in 2004 that Chechen president Akhmad Kadyrov is killed by a land mine under a VIP stage during a World War II memorial victory parade in Grozny, Chechnya.