Board of Education in 1954 and the Civil Rights Act of 1964.
Confusion about the legality of segregation continued until it was challenged by Homer Plessy.
In 1892, in a planned act of civil disobedience, Plessy boarded a train in New Orleans and sat in the car reserved for whites only.
In 1890, the Court took another step in ruling that Mississippi's segregation on common carriers was lawful.
The Louisiana legislature also pushed for segregation.