What year was the the U.S. Third Army undertaking the Lorraine Campaign during World War II while the U.S. Fifth Army was engaged in Operation Diadem?
Operation Diadem Operation Diadem, also referred to as the Fourth Battle of Monte Cassino or, in Canada, the Battle of the Liri Valley, was an offensive operation undertaken by the Allies of World War II (U.S. Fifth Army and British Eighth Army in May 1944, as part of the Italian Campaign of World War II. "Diadem" was supported by air attacks called Operation Strangle. The opposing force was the German 10th Army.
Operation Totalize Operation Totalize (also spelled Operation Totalise in recent British sources) was an offensive launched by Allied troops in the First Canadian Army during the later stages of Operation Overlord, from 8 to 9 August 1944. The intention was to break through the German defences south of Caen on the eastern flank of the Allied positions in Normandy and exploit success by driving south, to capture the high ground north of the city of Falaise. The goal was to collapse the German front and cut off the retreat of German forces fighting the Allied armies further west. The battle is considered the inaugural operation of the First Canadian Army, which had been activated on 23 July.