9/11 Commemoration Event (24th anniversary of al Qaeda attacks on aircraft WTC towers, Pentagon, Shanksville, PA)

 c-span.org/event/public-affairs-event/9-11-commemoration-ceremony-held-in-new-york-city/

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Moments of Towers falling after being struck by airplanes, Pentagon fire and cataclysm,

passengers who fought back and cause crash of United Flight 93

Sept. 11, 2001

now called "PATRIOT Day" anniversary/commemoration