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Landmark Cases · 1803–1954

The decisions that gave the Constitution its meaning.

The Supreme Court gives the Constitution its working meaning. These decisions, for better and for worse, reshaped American law and life.

Marbury v. Madison

1803 · Established judicial review.

McCulloch v. Maryland

1819 · Implied powers and federal supremacy.

Dred Scott v. Sandford

1857 · Denied citizenship to Black Americans.

Plessy v. Ferguson

1896 · Upheld “separate but equal.”

Brown v. Board of Education

1954 · Struck down school segregation.