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This Day in American History

July 9

1 historic event on this date

Amendment1868

14th Amendment Ratified

The 14th Amendment to the Constitution was ratified, granting citizenship to all persons born or naturalized in the United States and guaranteeing equal protection under the law and due process. It was one of three Reconstruction Amendments following the Civil War.

Why It Matters

The 14th Amendment became one of the most consequential provisions in the Constitution, serving as the basis for landmark civil rights decisions including Brown v. Board of Education and Obergefell v. Hodges.

Explore the Principles Behind the History

Every event in American history connects to the founding principles. Discover the ideas that shaped these moments.

View the 28 Founding Principles