The Mayan calendar started being used.
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Black soldiers were blamed for raiding a bar in Brownsville, Texas, US.
Carl Gustav Witt discovered the first near-Earth asteroid, 433 Eros.
The Baltimore Afro-American newspaper was published for the first time.
Iranian mathematician Maryam Mirzakhani became the world’s first woman to win the Fields Medal, the most prestigious award in mathematics.
After parading around New York City, the Apollo 11 crew was awarded the Presidential Medal of Freedom.
