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On November 29, 1910, the first US patent for inventing the traffic lights system was issued to Ernest Sirrine.

The photograph below, courtesy of Historic Pittsburgh Image Collections, shows one of the early traffic lights.
Police directing children on crossing the street (1926)

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On December 5, 1933, the United State officially repealed the 18th Amendment to the Constitution that had outlawed liquor sales. Until that time, you might have seen scenes like the one below, courtesy of the University of Washington Libraries.

Police with confiscated stills, Kent, ca. 1928

Police with confiscated stills, Kent, ca. 1928

Police with Confiscated Stills, Kent WA circa 1928.
Courtesy University of Washington Libraries
More information from IMLS DCC

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