The document summarizes key World War 2 battles between Allied forces and Nazi Germany in Europe, including D-Day and the Battle of the Bulge. It describes how Allied troops including Americans invaded Normandy on D-Day in 1944 and pushed the Nazis out of France, and later engaged in the massive Battle of the Bulge in late 1944, which involved over 200,000 American troops fighting fierce winter conditions and Nazi attacks. Many soldiers lost their lives in these crucial battles to liberate Western Europe from Nazi occupation.