In which Supreme Court decision did the Court uphold the policy of separate but equal which allowed racial discrimination?

Plessy v. Ferguson, (1896)

The "separate but equal" doctrine derived from the decision in the US Supreme Court case Plessy v. Ferguson, (1896), delivered on May 18, 1896.

The Plessy decision was later overturned by Brown v. Board of Education, (1954).

Case Citation:

Plessy v. Ferguson, 163 US 537 (1896)