At 8:46 A.M. Flight 11 crashes into floors 93-99 of The World Trade Center North Tower.
At 9:03 A.M. Flight 175 crashes into floors 77-85 of The World Trade Center South Tower killing everyone on board and hundreds of people inside the building.
At 9:37 A.M. Flight 77 crashes into the pentagon killing 59 people on board and 125 people inside.
At 9:59 A.M the South Tower collapses
At 10:28 A.M. the North Tower collapses
At 5:20 P.M. The World Trade Center Building 7 collapses even though it wasn't hit by a plane