The doctrine of the Holy Trinity was established after the end of the Council of Nicaea.
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Diego Velázquez de Cuéllar, the conquistador, founded Havana on the southern part of the island.
Astronomer Galileo demonstrated one of his earlier telescopes to Venetian lawmakers.
Walden W. Shaw and John D. Hertz founded the Shaw Livery Company and introduced the yellow cabs to attract passengers.
A Japanese scientist, Shibasaburo Kitasato, isolated the bacterium of the Bubonic Plague.
NASA's Voyager 1 spacecraft entered interstellar space, becoming the first artificial object to do so.
