The first real test of the American soldiers and marines began on May
28, 1918 when the untested US forces repulsed the strong German spring
offensive at Cantigny near the Belleau Wood. One week later the
combined U.S. 2nd Division (half Army and half Marine) halted the German
advance at the strategic village of Château-Thierry.
On June 6 the U.S. 2nd Division began its own
offensive, driving deep into the enemy-held Belleau Wood, where the
Germans had been poised only fifty miles from Paris. By the end of
June the German spring offensive was completely broken and the Doughboys
and Marines had built a legend of valor on the Western Front.