Astronomer Galileo demonstrated one of his earlier telescopes to Venetian lawmakers.
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The doctrine of the Holy Trinity was established after the end of the Council of Nicaea.
US President Biden approved student debt loan forgiveness of up to $20,000 for those who are qualified.
Belarus declared its independence from the Soviet Union.
Captain James Cook set sail on his first voyage from Plymouth, heading for the Pacific Ocean.
NASA's Voyager 1 spacecraft entered interstellar space, becoming the first artificial object to do so.
