The first game of the Negro National League was played at Washington Park in Indianapolis.
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The Writers Guild of America went on strike after a labor dispute.
The FBI's most wanted man, Osama bin Laden, was killed by the US Navy Seals and CIA operatives in Abbottabad, Pakistan.
Kanye West claimed that African-American slaves in the US remained slaves by choice.
The territory of Oklahoma was incorporated.
The first-ever magazine issue of 'Good Housekeeping' was published.
