today's in history By corbin13 476 roman empire falls Period: 476 to Jun 20, 2013 time span Sep 20, 622 prophet mohammed arrives in medina Sep 16, 1394 jews are expelled from france by orders of king chrels Sep 9, 1492 columbus fleet set sail for US Sep 6, 1522 megellan sailed around the world Sep 23, 1561 king phillip of spain forbids spanish settlements in florida Sep 17, 1787 constitution was signed Sep 19, 1876 first carpet sweeper patented Sep 3, 1895 first pro football game played Sep 10, 1897 first DUI issued Sep 12, 1940 cave painting found Sep 5, 1972 israeli athletes killed at Munich Olympics Sep 18, 1980 castro arrivesin New York Sep 11, 2001 9-11