 The Jim Crow laws were enforced until 1965.In practice, Jim Crow laws mandated racial segregation in all public facilities in the states of the former Confederate States of America and in some others, beginning in the 1870s.Jim Crow laws were upheld in 1896 in the case of "Plessy vs. Ferguson", in which the U.S. Supreme Court laid out its "separate but equal" legal doctrine for facilities for African Americans.