On this day: August 21
POSTED: 12:02 PM PDT Aug 20, 2012
UPDATED: 11:00 PM PDT Aug 20, 2012
Lincoln and Douglas square off for the first time, Oldsmobile begins production, Hawaii becomes a state and The Mona Lisa and the Mars Observer go missing, all on this day.
Public domain
1831: Former slave Nat Turner launches a short-lived, violent slave rebellion in Virginia that results in 60 white deaths and at least 100 black deaths. In the aftermath, Turner is convicted, sentenced to death and hanged and the state executes 56 accused of being part of the rebellion.
