|(September 11, 2001) 19 Muslims, most from Saudi Arabia, hijacked American airplanes and flew one into each tower of the World Trade Center, a third into the Pentagon, and a fourth crashed in Pennsylvania as the passengers attempted to retake control of the plane from the terrorists. | |(September 11, 2001) 19 Muslims, most from Saudi Arabia, hijacked American airplanes and flew one into each tower of the World Trade Center, a third into the Pentagon, and a fourth crashed in Pennsylvania as the passengers attempted to retake control of the plane from the terrorists. |