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How long did the Harlem Hellfighters spend in combat during World War I?
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Harlem Hellfighters
Members of the 369th Infantry Regiment (Harlem Hellfighters) posing with their awards for gallantry in combat.
During World War I, the 369th Infantry Regiment—widely known as the Harlem Hellfighters—spent 191 days in combat. This duration was longer than that of any other United States unit during the conflict.1