Churchill vs Eisenhower: The Explosive Clash Behind D-Day During World War II, as Operation Overlord (D-Day) approached, a rare and intense confrontation erupted between British Prime Minister Winston Churchill and U.S. General Dwight D. Eisenhower. This wasn’t just a disagreement — it was a power struggle over military authority, leadership, and control of the Allied forces. Churchill asserted his role as Prime Minister and Minister of Defense, while Eisenhower, as Supreme Allied Commander, dem