Albert Einstein completed his doctoral thesis at the University of Zurich and was awarded a Ph.D.
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The USA signed The Louisiana Purchase in Paris.
The Queen knighted British Captain Tom Moore on his 100th birthday.
Mr. Potato Head became the first toy advertised on TV.
George Washington gave his first speech as the first President of the United States.
A remake of the original 1996 Resident Evil was released exclusively for GameCube.
