What major impact did the decision in Brown v. Board have on Plessy v. Ferguson?

The decision in Brown v. Board of Education had a monumental impact on Plessy v. Ferguson by effectively reversing its doctrine of "separate but equal." Plessy v. Ferguson established a legal foundation for racial segregation, allowing for separate public facilities for white and Black Americans under the guise that they were equal. However, the ruling in Brown determined that separate educational facilities were inherently unequal, thus violating the Equal Protection Clause of the Fourteenth Amendment.

This landmark decision not only invalidated the core premise of legal segregation endorsed by Plessy but also set a precedent that significantly challenged the legality of segregation across various public sectors. It marked a turning point in the civil rights movement, leading to greater efforts toward desegregation in all areas of society, not just education. The ramifications of Brown v. Board fundamentally reshaped the application and interpretation of civil rights law in the United States, illustrating the dynamic nature of constitutional interpretation and civil liberties.