The Battle of Belleau Wood occurred during the German spring offensive in World War I, near the Marne River in France. The battle was fought between the U.S. 2nd and 3rd Divisions along with French and British forces against an assortment of German units including elements from the 237th, 10th, 197th, 87th, and 28th Divisions. The battle has become a key component of the lore of the United States Marine Corps.