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American Airlines Flight 11 takes off for Los Angeles.
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United Airlines Flight 175 takes off for Los Angeles.
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Flight 11 reported to be hijacked
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American Airlines Flight 77 takes off for Los Angeles
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United Airlines Flight 93 takes off for San Francisco
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Mohammed Atta and the other hijackers aboard American Airlines Flight 11 crash the plane into the North Tower of the World Trade Center
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Hijackers crash United Airlines Flight 175 into South Tower of World Trade Center
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Flights going through New York City are banned
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Hijackers aboard Flight 77 crash the plane into the western façade of the Pentagon in Washington, D.C.
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South Tower of World Trade Center collapses
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Flight 93 crashes in Somerset City, Pennsylvania
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North Tower of the World Trade Center collapses
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Seven World Trade Center collapses - no casualties
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President Bush declares War on Terror