The first game of the Negro National League was played at Washington Park in Indianapolis.
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General Motors bought the Chevrolet Motor Company of Delaware.
The territory of Oklahoma was incorporated.
139,000 people lost their lives when Cyclone Nargis made landfall in Myanmar.
The Stanley Cup Finals took place with the Toronto Maple Leafs beating the Montreal Canadiens.
The FBI's most wanted man, Osama bin Laden, was killed by the US Navy Seals and CIA operatives in Abbottabad, Pakistan.