Which major Allied operation occurred on June 6, 1944? 👤 By TheQuizWire ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 01 Dec 2025 A. D-Day (Normandy Landings) B. Stalingrad C. Battle of the Bulge D. Barbarossa Check Answer 💡 Explanation: D-Day marked the massive Allied invasion of Nazi-occupied France. 📚 Topics: History World Wars 🎯 Exams: CSS GEN PMS US_COMP