Leonardo da Vinci’s “The Last Supper” was returned to display in Milan after 22 years of restoration.
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Harambe the Gorilla was shot to death inside his enclosure in the Cincinnati Zoo and Botanical Garden.
The second black regiment (54 Mass) left Boston to fight in US Civil War.
The women of Greece were given the right to vote.
The Dionne quintuplets were born to Oliva and Elzire Dionne, who later became the first quintuplets to survive infancy.
Alan Turing submitted his paper 'On Computable Numbers' for publication, in which he set out the hypothetical basis for modern computers.
