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This Day in American History

June 6

1 historic event on this date

Historical1944

D-Day: Allied Invasion of Normandy

More than 156,000 Allied troops, including tens of thousands of Americans, stormed the beaches of Normandy, France, in the largest amphibious military operation in history. The invasion marked the beginning of the liberation of Western Europe from Nazi occupation.

Why It Matters

D-Day demonstrated America's willingness to sacrifice for the defense of democratic values abroad and stands as a testament to the courage and commitment of citizen-soldiers defending freedom.

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