Napoleon was forced to retreat from Germany after the Battle of Leipzig.
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Researchers at Rutgers University in New Jersey, US, isolated Streptomycin, which became the first antibiotic remedy for tuberculosis (TB).
Max Planck proposed Planck's Law, a new law of physics for black-body radiation.
The American Revolutionary War hostiles ended after the British conceded at Yorktown.
A bill to recognize Martin Luther King Jr's birthday as a national holiday passed the US Senate.
NASA launched its IBEX satellite from the Stargazer mother ship launch pad above the Marshall Islands.