Mercedes and Benz merged to form the brand name Mercedes-Benz.
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The first private research atomic reactor opened in Chicago, Illinois, US.
Franz Ferdinand and his wife Sophie were assassinated, ultimately causing World War I.
A brand new design for Freedom Tower in Manhattan, New York, was publicly revealed.
The final draft of the Declaration of Independence was presented to the final 'Committee of the Whole' Congress.
New York City Police raided Stonewall Inn gay bar and handled patrons and employees roughly.