September 21 is the 264th day of the Gregorian calendar. Norman invaders win the kingdom of Dublin; J.R.R. Tolkien’s groundbreaking novel, “The Hobbit”, was published. Congress passed the Defense of Marriage Act. Famous birthdays include H.G. Wells, Stephen King and Bill Murray. Today is the International Day of Peace.

We have 1 holiday listed for September 21.

DateHolidayCategoryTagsRegion
Sat Sep 21
International Day of Peace