Mormon settlers and Paiutes massacre 120 pioneers at Mountain Meadows, Utah (1857)
U.S. Marines invade Honduras (1919)
Ground broken for the construction of The Pentagon (1941)
Coordinated attacks using commercial aircraft result in the death of 2,974, collapse of the World Trade Center in New York City, destruction of the western portion of The Pentagon and a passenger airliner crash in Shanksville, PA (2001)
b: Felix Dzerzhinsky (1877), Philipp Bouhler (1899), Theodor Adorno (1903), Bashar al-Assad (1965); d: Nikita Khrushchev (1971), James Burnham (1987), Victims of the 9/11 attacks
Prog tradition 'On this day' by RSS or via daily email.