Battle of Belleau Wood begins

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The first large-scale battle fought by American soldiers in World War I begins in Belleau Wood, northwest of the Paris-to-Metz road.

In late May 1918, the third German offensive of the year penetrated the Western Front to within 45 miles of Paris. U.S. forces under General John J. Pershing helped halt the German advance, and on June 6, Pershing ordered a counteroffensive to drive the Germans out of Belleau Wood. U.S. Marines under General James Harbord and Allied forces led the attack against the four German divisions positioned in the woods and by the end of the first day suffered more than 1,000 casualties.