During the Second World War Hostile_encounter , Operation Clipper was an Allied offensive Hostile_encounter by the British XXX Corps ( which included Cause_to_be_included the American 84th Infantry Division ) to reduce Cause_change_of_position_on_a_scale the Geilenkirchen salient in mid-November 1944 .

Geilenkirchen is situated Placing on the Wurm River , some north of Aachen .