476: Romulus Augustulus, last Western Roman Emperor, abdicates after forces led by Odoacer invade Rome. Traditional End of the Western Roman Empire.
1609: Navigator Henry Hudson is the first European to discover island of Manhattan [or Sep 11]
1781: Los Angeles is founded by 44 Spanish speaking mestizos in the Bahia de las Fumas (Bay of Smokes)
1862: General Lee begins the Maryland Campaign invading the North with 50,000 Confederate troops (US Civil war)