Today, Jan. 21, Martin Luther King Day. Here are 5 things you probably don't know about the nation's youngest holiday.
1. President Ronald Reagan signed the holiday into law in 1983, and it was first observed on January 20, 1986. It was officially observed in all 50 states for the first time in 2000.
2. Not every state was anxious to acknowledge the Federal holiday. In 1991, the New Hampshire legislature created "Civil Rights Day." In 1999, "Civil Rights Day" was officially changed to "Martin Luther King Day."
South Carolina was the last state to recognize the day as a paid holiday for all state employees, when Gov. Jim Hodges signed a bill to make Martin Luther King Jr.'s birthday an official state holiday on May 2, 2000.
3. Believe it or not, Martin Luther King Jr. Day is also recognized internationally. The City of Toronto, Canada, has officially recognized Martin Luther King Jr. Day, although it is not a paid holiday in Toronto. The city of Hiroshima holds a special banquet at the Mayor's office to highlight the city's call for peace with King's message of human rights.
4. King won the Nobel Peace Prize in 1964.
5. Martin Luther King's Jr. is actually Jan.15