July 11, 1905 – W.E.B. DuBois and William Monroe Trotter organized the Niagara Movement, which demanded abolition of all race distinctions. July 12, 1949 – Frederick M. Jones patented air-conditioning unit used in food transportation vehicles. July 13, 1965 – Thurgood Marshall became first African American appointed U.S. Solicitor General. July 14, 1955 – The […]
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