The doctrine of the Holy Trinity was established after the end of the Council of Nicaea.
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Walden W. Shaw and John D. Hertz founded the Shaw Livery Company and introduced the yellow cabs to attract passengers.
Captain James Cook set sail on his first voyage from Plymouth, heading for the Pacific Ocean.
Naturalists Chris Atkins and Michael Taylor discovered the world's tallest tree in Redwood National Park, California.
The first daily passenger air service began, going from London to Paris.
Astronomer Galileo demonstrated one of his earlier telescopes to Venetian lawmakers.
