August 12th in History

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August 12th in History

1887: Thomas Edison makes the first sound recording
1969: Echo, the worlds first communications satellite, launched by the US
1969: A three day street battle started in Londonderry, Northern Ireland

August 12th birthdays

1881: Cecil B. De Mille, Hollywood producer/director
1939: George Hamilton, American film actor
1997: Erwin Schrodinger, Physicist