Learn more about WWI in Europe

Over 4.7 million men and women served in the American armed forces, 2.8 million of them overseas.

Explore WWI activities that helped shape The American Century

American military success on the battlefields of Europe depended upon a dynamic effort at home.

See how Americans participated in World War I

Overseas and on the home front, diverse Americans united in pursuit of victory.

Discover unknown events and surprising stories from The Great War

World War I generated an amazing variety of enthralling stories and fascinating facts.

The Poppy as a Symbol

When peace returned to the battlefields at the end of World War I, so too did a simple red flower – the poppy.