The US army enlisted its first female colonel, Julia Flikke.
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Earmuffs were patented.
The first major revolt of the 1848-1849 German revolutions began in Vienna.
Itza, the last Mayan kingdom, was conquered by Spanish forces.
Astronomer William Herschel first observed Uranus.
Luciano Pavarotti's final opera took place at New York Metropolitan Opera.
