Victory at Guadalcanal marked the Allied transition from defense to offense, the beginning of the end for the Japanese Empire.
August 1942 saw the Guadalcanal campaign, the first major Allied ground campaign in the Far East. It lasted until February 1943, costing thousands of lives, dozens of ships, and hundreds of aircraft on both sides. Victory at Guadalcanal marked the Allied transition from defense to offense, the beginning of the end for the Japanese Empire.