Today in History, September 17: Coincidences and ironies are attached to this day in history. Significantly, the Constitution of the U.S. was signed in 1787, and the Camp David Accords were signed in 1978. In 1908 a U.S. Army officer became the first fatality of a military airplane crash, while in 1944 Allied paratroopers landed behind enemy lines in Operation Market Garden. In 2001 there was flag-waving in the stock exchange as it opened for the first time after the 9-11 attacks, while in 2011 the Occupy Wall Street demonstrations began.