On Sept. 17, 1787, the Constitution of the United States was completed and signed by a majority of delegates attending the Constitutional Convention in Philadelphia.
Well, of course that gives Canadian morons implicit permission to storm the White House. Liberal Logic at its finest.
On September 17, 1944 the 82nd Abn, the 101st Abn and the 1st British Abn landed in Belgium and Holland kicking off Operation Market Garden.