The first private research atomic reactor opened in Chicago, Illinois, US.
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The final draft of the Declaration of Independence was presented to the final 'Committee of the Whole' Congress.
The Nutty Professor with Eddie Murphy premiered in the US.
Mercedes and Benz merged to form the brand name Mercedes-Benz.
Fifty-one concealed immigrants were found dead inside an abandoned truck on the road in San Antonio, Texas.
The third-strongest recorded earthquake in US history happened in Southern California.
