100% verified The same day, three eras.

20 September

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Contemporary era

1973

Battle of the Sexes tennis match

On 20 September 1973, Billie Jean King beat Bobby Riggs in a highly publicised tennis match.

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Contemporary era

1854

Battle of the Alma

On 20 September 1854, the Allies defeated the Russian army at the Alma during the Crimean War.

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From the Middle Ages to the Enlightenment

1519

Departure of Magellan's expedition

On 20 September 1519, Magellan left Spain for the first circumnavigation of the globe.

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