100% verified The same day, three eras.

9 September

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Contemporary era

1948

North Korea proclaimed

On 9 September 1948, the Democratic People's Republic of Korea was proclaimed.

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Contemporary era

1850

California becomes 31st state

On 9 September 1850, California was admitted as the 31st US state.

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From the Middle Ages to the Enlightenment

1543

Coronation of Mary, Queen of Scots

On 9 September 1543, Mary, Queen of Scots was crowned at just nine months old.

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