Black Fact = 1904 (March 29) – Granville T. Woods, along with his brother Lyates, patented the first of two improvements on Railroad Brakes on this date in 1904. Patent # 755,825.
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Black Fact: (1871) Joseph H. Douglass
Black Fact = 1871 (July 3) –Joseph H. Douglass (1871-1935), celebrated violinist and grandson of Frederick Douglass, was born in Washington, DC, on this date ...