After The War
The long term effects of D-Day is that the allies took back France. Operation overlord guaranteed that allied powers would be able to liberate France and push Germany into a corner. The allies got a second front to attack Germany. They expanded the reach of the allied forces in Europe,and put Germany on the defensive. Germany retreated from France because of the attack. The main long term effect of D-Day is that the allies were; able to liberate France and win the war.