United States in World War I (apr 6, 1917 – nov 11, 1918)
Description:
The United States declared war on the German Empire on April 6,1917, nearly three years after World War I started. A ceasefire and Armistice was declared on November 11, 1918.Added to timeline:
Date:
apr 6, 1917
nov 11, 1918
~ 1 years and 7 months