Pope Constantine died.
He was the final Byzantine Pope in Rome and the last one to visit Constantinople until 1967.
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NASA publicly announced the names of the first 7 American astronauts.
The Hudson Bay Company gave up its territory to the Commonwealth of Canada.
Confederate General Robert E. Lee ended his campaign at The Battle of Appomattox Court House.
Dutch ecologists reported that wolves were living in the Netherlands again for the first time in 140 years.
The Duke of Edinburgh, Prince Philip, died at age 99.