The musical “Dreamgirls” was performed for the first time at the Ambassador Theatre, New York City.
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Fifty-one concealed immigrants were found dead inside an abandoned truck on the road in San Antonio, Texas.
The first private research atomic reactor opened in Chicago, Illinois, US.
The Organization of Afro-American Unity was formed.
The third-strongest recorded earthquake in US history happened in Southern California.
Labor Day became an official US holiday.
