Today in History By Bscherting 476 Western Roman Empire falls Sep 20, 622 Prophet Mohammed arrives in Medina Aug 30, 1000 Cleopatra commits suicide. Aug 28, 1189 Third Crusade: the Crusaders begin the seige of Acre Sep 9, 1492 Columbus fleet sets sail west. Sep 6, 1522 Magellan's expedition circumnavigates the globe. Sep 17, 1787 Constitution was signed. Sep 14, 1812 Napoleon miscalculated and ended up in Russia in the winter. Sep 7, 1813 Uncle Sam nicknamed for USA Sep 19, 1876 1st Carpet sweeper patened. Aug 27, 1904 First speeding ticket given. Sep 12, 1940 Lascoux cave paintings discovered Sep 21, 1949 Mao Zedong outlines the new Chinese Government Sep 25, 1957 Central High School integrated Sep 18, 1960 Castro arrives in New York Sep 5, 1972 Israeli athletes killed at Munich Olympics Sep 13, 1993 Israel and Palestine peace accord signed. Sep 11, 2001 Attack on America Aug 29, 2005 Hurricane Katrina slams into Gulf Coast