guadalcanal campaign
The Guadalcanal Campaign, also known as The Battle of Guadalcanal and codenamed Operation Watchtower by American forces, was a military campaign fought between 7 August 1942 and 9 February 1943 on and around the island of Guadalcanal in the Pacific theater of World War II.
It was the first major land offensive by Allied forces against the Empire of Japan. It ended in a major Allied victory that caused the complete Japanese withdrawal from the island and the beginning of Allied offensive operations in the Pacific Ocean.