September 9 is the 252nd day of the Gregorian calendar. On this day, Washington, D.C. was named the capital of the United States, California was admitted the 31st state in the U.S., and Elizabeth II became the longest reigning monarch in the UK's history. Famous birthdays include Adam Sandler, Michelle Williams, and Hugh Grant. September 9 also marks Day of the Homeland, European Heritage Days, International Sudoku Day, National Grandparents Day, National Wiener Schnitzel Day, and Rosh Hashanah.

We have 3 holidays listed for September 9.