 Kentucky adopted the Jim Crow system of racial segregation in most public spheres after the Civil War.Louisville's 1914 ordinance for residential racial segregation was struck down by the US Supreme Court in 1917.However, in 1908 Kentucky enacted the Day Law, "An Act to Prohibit White and Colored Persons from Attending the Same School", which Berea College unsuccessfully challenged at the US Supreme Court in 1908; in 1948, Lyman T. Johnson filed suit for admission to the University of Kentucky; as a result in the summer of 1949, nearly thirty African American students entered UK graduate and professional programs.