Illustration of Uncle Sam carrying a large U.S. flag as soldiers march in the background

Hats Off to U.S. (2026)

Friday-Monday, May 22-25, 2026 | 10 a.m.-5 p.m. Main Entrance

The National WWI Museum and Memorial is proud to be part of the #OnOur250th initiative honoring the United States' 250th birthday in 2026. We stand with other cultural institutions and organizations around the United States in this moment of celebration of the resiliency of the nation – and in remembrance of those who have made great sacrifices towards a more perfect union. Celebrate with star-spangled salutations! Stop by the front entrance to send off your birthday wishes to Uncle Sam.

FREE to the Public | Inside Main Entrance

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