April 20, 1894 – Dr. Lloyd A. Hall, pioneering food chemist, born.
April 21, 1966 – Pvt. Milton L. Olive, III, awarded the Medal of Honor posthumously for valor in Vietnam.
April 22, 1922 – Jazz bassist and composer Charles Mingus born.
April 23, 1895 – Clatonia Joaquin Dorticus patents photographic print wash.
April 24, 1944 – United Negro College Fund was incorporated.
April 25, 1918 – Ella Fitzgerald, “First Lady of Song,” was born.
April 26, 1888 – Sarah Boone patents ironing board.
