September 16, 1620: The Mayflower departs England with 102 passengers and a small crew; arrives in Provincetown, Massachusetts, on November 21.
September 17, 1787: Delegates to the Constitutional Convention in Philadelphia unanimously ratify the U.S. Constitution.
September 19, 1676: Jamestown, Virginia, attacked and burned in a rebellion led by Nathaniel Bacon against the royal governor.
September 19, 1893: New Zealand becomes the first country to grant women the right to vote.
September 22, 1776: During the American Revolution, Nathan Hale is executed without trial by the British for spying on their troops on Long Island.
September 22, 1862: President Abraham Lincoln issues a preliminary Emancipation Proclamation freeing all slaves held by confederates as of January 1, 1863.