The Mayan calendar started being used.
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The Arica earthquake occurred in Peru and Ecuador.
Inventor William Gray received a patent for creating the telephone that uses coins to operate it.
Iranian mathematician Maryam Mirzakhani became the world’s first woman to win the Fields Medal, the most prestigious award in mathematics.
Black soldiers were blamed for raiding a bar in Brownsville, Texas, US.
Carl Gustav Witt discovered the first near-Earth asteroid, 433 Eros.