The twin towers of New York's World Trade Center rise over the World Financial Center in this view, from the air, in this June 23, 1999, file photo. Terrorists crashed two planes into the World Trade Center and knocked down the twin 110-story towers Tuesday morning, September 11, 2001. (AP Photo/Ed Bailey, File)
Gallery: The Sept. 11, 2001, terrorist attacks
Sep. 10, 2011 @ 07:19 PM
On Tuesday, Sept. 11, terrorists hijacked airplanes and used them to destroy the Twin Towers in New York City and damage the Pentagon in Washington, D.C. One of the planes crashed in a field in rural Pennsylvania.
Excluding the 19 hijackers, the death toll stands at 2,998 with 24 more presumed dead,