Brown v. Board of Education of Topeka was a landmark US Supreme Court case that was handed down on 17 May 1954, proposing the desegregation of public schools across the United States. The decision overturned Plessy v. Ferguson, an 1896 law that mandated the segregation of public facilities between whites and African-Americans, and it ordered all states to desegregate with all deliberate speed. NAACP representative Thurgood Marshall argued the case before the Supreme Court, and the verdict was a major victory for the Civil Rights movement.