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This Day in American History

December 15

1 historic event on this date

Amendment1791

Bill of Rights Ratified

The first ten amendments to the Constitution, known as the Bill of Rights, were ratified. These amendments protect fundamental individual liberties including freedom of speech, religion, and the press.

Why It Matters

The Bill of Rights addressed concerns about federal power and ensured protection of individual liberties, making it central to American constitutional democracy.

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