waterborn655 waterborn655 22-06-2022 History contestada What was the significance of the allied invasion of normandy on june 6, 1944? it was the beginning of the attack on the nazi army in western europe. it forced an allied retreat because of the many lives lost on the beaches. it led to a rapid offensive in which the nazis took over france and austria. it was the turning point in the war as the allies liberated north africa.