A Japanese scientist, Shibasaburo Kitasato, isolated the bacterium of the Bubonic Plague.
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Belarus declared its independence from the Soviet Union.
Uruguay gained independence from Brazil, which is now celebrated as a National Holiday for Uruguayans.
Alicia Thornton became the first British female jockey after taking part in a horse race at York Racecourse in Knavesmire, England.
The doctrine of the Holy Trinity was established after the end of the Council of Nicaea.
Diego Velázquez de Cuéllar, the conquistador, founded Havana on the southern part of the island.
