Elvis Presley performed his final performance in Indianapolis, Indiana, US.
Source
Ice Age: Continental Drift premiered in Buenos Aires, Argentina.
The US Navy's Vanguard SLV-2 launch vehicle failed to reach Earth's orbit.
Dr. Zabdiel Boylston of Harvard University gave the first smallpox inoculations in Boston following America's biggest outbreak.
Charlie Chaplin's silent movie 'The Gold Rush' was released.
Same-sex marriage became legal in all 50 states.
