What day of the week was September 11, 2001?

The day of the week September 11th, 2001 fell on was a Tuesday.

Casualties of the September 11 attacks: died on this day in 2001.

Two hijacked aircraft crash into the World Trade Center in New York City the while a third smashes into The Pentagon in Arlington County, Virginia, and a fourth into a field near Shanksville, Pennsylvania, in a series of coordinated suicide attacks by 19 members of al- Qaeda. Altogether, 2,996 people are killed.