On D-Day, over 4,400 Allied soldiers died, as did between 4,000 and 9,000 German soldiers. This battle was the start of the larger campaign of the Battle of Normandy, which led to 425,000 killed, injured or missing soldiers.
The D-Day invasion provided a pathway to send Allied troops into the heart of Axis territory. Once the Allies gained control of Normandy, they used this foothold in Western Europe to begin their march against German forces. D-Day signaled a major turning point in the war, when the Allies reversed the gains made by Axis forces. The invasion at D-Day was planned for several years, as the Allied leaders strived to determine how to gain control of this area without excessive loss of life for Allied troops.