Associated Press

On Sept. 17, 1787, the Constitution of the United States was finally completed and signed by a majority of the delegates attending the Constitutional Convention in Philadelphia.

In 1908, Lt. Thomas E. Selfridge of the U.S. Army Signal Corps became the first person to die in the crash of a powered aircraft, the Wright Flyer, at Fort Myer, Virginia, just outside Washington, D.C.

In 1944, during World War II, Allied paratroopers launched Operation Market Garden, landing behind German lines in the Netherlands.

In 1978, after 12 days of meetings at the U.S. presidential retreat of Camp David, Egyptian President Anwar Sadat and Israeli Prime Minister Menachem Begin signed the Camp David Accords, a framework for a peace treaty.

In 2001, six days after 9/11, stock prices nosedived but stopped short of collapse in an emotional reopening of Wall Street.