The Trevi Fountain, one of Rome’s most famous landmarks, was opened to the public by Pope Clement XIII.
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The White Star Liner SS Ionic was launched at the Queen's Island in Belfast.
Ceylon adopted a new constitution to become the Socialist Republic of Sri Lanka.
Abraham Lincoln received a patent for a device that would lift a boat over shoals and obstructions.
Two new moons of Saturn were found in photos from the Hubble Space Telescope by Astronomers Amanda S. Bosh and Andrew S. Rivkin.
Senator Brooks from South Carolina used a cane to hit a Massachusetts Senator, Charles Sumner, after Sumner criticized slave owners.
