: The South Tower collapses 56 minutes after impact [5, 6, 10].
At , American Airlines Flight 77 crashed into the western side of the Pentagon in Arlington, Virginia. The impact killed all 64 people on the plane and 125 people inside the building.
United Airlines Flight 175, flying at 590 mph, strikes the South Tower between floors 77 and 85. Unlike the first impact, this crash is broadcast live on virtually every network. Millions of viewers see the plane disappear into the building. The explosion shears through stairwell A (the only one still intact after the first hit) and kills everyone on impact in the upper floors. The realization dawns that this is not an accident—it is a coordinated terrorist attack.
: President George W. Bush, visiting an elementary school in Florida, is informed that a plane has hit the World Trade Center [5, 10, 23].
: The South Tower collapses 56 minutes after impact [5, 6, 10].
At , American Airlines Flight 77 crashed into the western side of the Pentagon in Arlington, Virginia. The impact killed all 64 people on the plane and 125 people inside the building. 9 11 timeline
United Airlines Flight 175, flying at 590 mph, strikes the South Tower between floors 77 and 85. Unlike the first impact, this crash is broadcast live on virtually every network. Millions of viewers see the plane disappear into the building. The explosion shears through stairwell A (the only one still intact after the first hit) and kills everyone on impact in the upper floors. The realization dawns that this is not an accident—it is a coordinated terrorist attack. : The South Tower collapses 56 minutes after
: President George W. Bush, visiting an elementary school in Florida, is informed that a plane has hit the World Trade Center [5, 10, 23]. United Airlines Flight 175, flying at 590 mph,