Medal of Honor was awarded posthumously to Theodore Roosevelt Jr for his help on D-Day.
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Science magazine announced that half the killer whale population would likely die due to human pollution.
The first-ever American football game played at night occurred in a contest between Wyoming Seminary and Mansfield State Normal.
The Declaration of Independence of the Mexican Empire was drafted at the National Palace in Mexico City.
The Prussian government lifted a ban on Adolf Hitler's speeches.
Spanish explorer Juan Rodriguez discovered San Diego Bay and claimed it for Spain.