The Mayan calendar started being used.
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Iranian mathematician Maryam Mirzakhani became the world’s first woman to win the Fields Medal, the most prestigious award in mathematics.
Berlin's city became entirely divided in two, with all borders sealed between the east and west.
Saint John I became the Catholic Pope.
The Arica earthquake occurred in Peru and Ecuador.
The Baltimore Afro-American newspaper was published for the first time.
