It happened on September 11, 2001. The world trade centers were also previously attacked in 1993.
September 11, 2001 marked the date terrorists attacked the WTC and Pentagon.
2001.
2001
The Pentagon was attacked by terrorists as a part of the World Trade Center attacks on September 11th, 2001. The Pentagon was one of the main targets, but the attack was not as successful as the attack on the twin towers.
Terrorists hijacked first the pentagon and world trade centers
September 11, 2001
Four, one crashed in Pennsylvania, another in the pentagon, and the last two in the world trade centers.
The two World trade centers, the Pentagon, and the white house were targeted.
Terrorists hijacked three planes (I think) and flew one, then another into the twin towers. I think they were going to fly the other one into the Pentagon, but didn't.
4 planes were hijacked 2 crashed into the world trade centers one crashed into the pentagon and the other failed to reach its destination and crashed in a field in Pennsylvania after civilians on board attacked the terrorists.
2001.
they crashed into pentagon and world trade center
they hijacked 4 planes by using pocket knives to kill the people and flew the plane in the world trade center towers and pentagon but united airlines flight 93 missed their target