- 1824 German physicist Gustav Kirchhoff born; established (with Robert Bunsen) the theory of spectrum analysis; Kirchhoff's laws, describing 3D electrical current flow.
- 1928 William Mulholland's St. Francis Dam collapses near midnight killing over 600 people; America's worst engineering disaster during the 1900s.
- 1947 President Harry Truman declares unconditional support to Greece and Turkey against (Soviet) destabilization; the Truman Doctrine.
- 2008 Cassini spacecraft dives through the edge of the giant water geyser plume of Saturn's moon Enceladus. The geysers jet up from cracks in the surface at 800 miles per hour.
Wednesday, March 12, 2008
Today in History: March 12
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