an American operation in World War I (1918); American troops under Pershing drove back the German armies which were saved only by the armistice on November 11
an American operation in World War I (1918); American troops under Pershing drove back the German armies which were saved only by the armistice on November 11
an American operation in World War I (1918); American troops under Pershing drove back the German armies which were saved only by the armistice on November 11
an American operation in World War I (1918); American troops under Pershing drove back the German armies which were saved only by the armistice on November 11
a European river; flows into the North Sea
