KnowraBattle of AachenLinked fromLinked fromThe 2 pages that link to Battle of Aachen, each with the reason it gives.All 2Broader topic 1Related 1Western Allied invasion of GermanyBroader topic: Aachen became the first major test of the campaign inside Germany.Battle of Hürtgen ForestRelated: Aachen’s capture opened the approach to the forest and the Roer basin.