December 14, 1900: Max Planck presents the Quantum Theory at the Physics Society in Berlin.
On December 14, 1900, MAX PLANCK presented his derivation of the distribution law for black-body radiation to the German Physical So...
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January 20, 1893: Bessy Coleman, first African American Aviator.
Bessie Coleman was the first African-American woman, and also the first woman of Native-American descent, to hold a pilot’s license....