World War II: The Battle of Hürtgen Forest begins. It will become the second-longest individual battle that the U.S. Army has ever fought.

The Battle of Hürtgen Forest was a series of battles fought from 19 September to 16 December 1944, between American and German forces on the Western Front during World War II, in the Hürtgen Forest, a 140 km2 (54 mi2) area about 5 km (3.1 mi) east of the Belgian–German border. Lasting 88 days, it…