The September 11th attacks, commonly known as 9/11 was a group of coordinated suicide attacks by Al-Qaedaball on the Twin Towers of World Trade Center, as well as the Pentagon and either the White House or Capitol Hill. The most famous part of the attacks was the collapse of 1 WTC and 2WTC. There are many conspiracy theories about it. Four passenger planes were hijacked by 19 Al-Qaeda terrorists. 2 planes, American Airlines Flight 11 and United Airlines Flight 175, crashed into the Twin Towers. Within an hour and 42 minutes, both towers had collapsed, with the flying debris damaging nearby buildings. American Airlines Flight 77 was directed towards the Pentagon, and United Airlines Flight 93 was aimed towards Washington DCball, but the hijackers were overtaken by the passengers and the plane crashed into a field in Pennsylvaniaball.