Today in history
On Dec. 2, 1804, Napoleon was crowned emperor of France.
In 1823 President James Monroe outlined his doctrine opposing European expansion in the Western Hemisphere.
In 1939 New York’s La Guardia Airport began operations as an airliner from Chicago landed at 1 minute past midnight.
In 1942 a self-sustaining nuclear chain reaction was demonstrated for the first time, at the University of Chicago.