Oklahoma became the 46th state to join the United States of America.
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President Bill Clinton declared this day as the National Day of Mourning.
462 non-violent inmates were released from Oklahoma prisons in the largest commutation in American history.
The widest tornado ever recorded hits El Reno, Oklahoma.
An F5 tornado hit Oklahoma City, where the highest global wind speeds were recorded.
Black men were chased away by gunmen after trying to rescue white survivors during a mine explosion.
