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)

1957: Governor of Arkansas, Orval Faubus, calls out National Guard to prevent 9 black students from entering a Little Rock’s Central High School

Source: Onthisday.com