Final answer:
The United States Supreme Court ruled that segregated public facilities were unconstitutional in the case Brown v. Board of Education of Topeka in 1954.
Explanation:
Brown v. Board of Education of Topeka (1954) is the case in which the United States Supreme Court ruled that segregated public facilities were unconstitutional, overturning the Plessy v. Ferguson decision of 1896. The Court unanimously declared that racial segregation in public education violated the Constitution, particularly the equal protection clause of the Fourteenth Amendment.
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