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This Day in American History

May 25

1 historic event on this date

Founding1787

Constitutional Convention Begins

Delegates from twelve states (Rhode Island did not participate) convened in Philadelphia to revise the Articles of Confederation. Instead, they would draft an entirely new Constitution.

Why It Matters

This convention produced the Constitution that has governed the United States for over 230 years, establishing the framework for American 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