September 11 th , 2001 – Overview September 11 th , 2001: 19 extremist al-Qaeda terrorists hijacked four passenger airplanes
September 11 th , 2001 – Overview Two planes were flown into the World Trade Center in New York City One hit the Pentagon in Washington D.C. Another crashed in a field in Pennsylvania
September 11 th , 2001 At 8:46 am, American Airlines Flight 11 struck the North T ower of the World Trade Center At first, many people believed it was an accident
September 11 th , 2001 The New York Police Department and New York Fire Department responded immediately The Port Authority Police began to evacuate the North Tower
September 11 th , 2001 Four minutes after the plane struck the North Tower, President Bush was notified While reading to an elementary school class in Florida, he was informed of the second plane hitting the World Trade Center At 9:02 am, the South Tower started to be evacuated President Bush being notified of the second plane hitting the World Trade Center
September 11 th , 2001 9:03 am, United Airlines Flight 175 crashes into the South Tower At this point, people realize that these were not accidents
September 11 th , 2001 9:31 am, President Bush calls the events in New York City an apparent terrorist attack
September 11 th , 2001 9:37 am, American Airlines Flight 77 crashes into the Pentagon (the headquarters of the United States Department of Defense)
September 11 th , 2001 9:42 am, for the first time in history, all flights over or heading to the United States are grounded A radar view of U.S. airspace on September 11 th , 2001, before all flights were grounded