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7:59 am – American Airlines Flight 11, takes off from Boston’s Logan International Airport en route to Los Angeles.
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8:14 am – United Airlines Flight 175, takes off from Boston; it is also headed to Los Angeles.
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8:20 am – American Airlines Flight 77 takes off from Dulles International Airport outside of Washington, D.C. and is headed to Los Angeles.
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Plane Hijacker, Mohammed Atta, makes the first of two accidental transmissions from Flight 11 to ground control (apparently in an attempt to communicate with the plane’s cabin).
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8:46 am – Mohammed Atta and the other hijackers aboard American Airlines Flight 11 crash the plane into the North Tower of the World Trade Center, killing everyone on board and hundreds inside the building.
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8:50 am – White House Chief of Staff Andrew Card alerts President George W. Bush that a plane has hit the World Trade Center.
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9:03 am – Hijackers crash United Airlines Flight 175 into the WTC South Tower, killing everyone on board and hundreds inside the building
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9:08 am – The FAA bans all takeoffs of flights going to New York City or through the airspace around the city.
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9:59 am – The South Tower of the World Trade Center collapses.
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10:28 am – The World Trade Center’s North Tower collapses, 102 minutes after being struck by Flight 11.
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8:30 pm – President Bush addresses the nation,and declared that America, its friends and allies would “stand together to win the war against terrorism.”
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Bush flies to New York and gives his BullHorn speech. "I can hear you!" he declared. "The rest of the world hears you! And the people – and the people who knocked these buildings down will hear all of us soon."
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President Bush declares war on Terror, which is in Iraq and Afghanistan.