The battle considered the turning point in the Pacific Theater of World War II is the Battle of Midway, fought from June 4 to June 7, 1942. This decisive naval battle saw American forces successfully ambush and defeat a larger Japanese fleet, sinking four aircraft carriers. The victory shifted the balance of power in the Pacific, marking the beginning of a series of successful Allied offensives against Japan. Midway demonstrated the effectiveness of intelligence and aircraft carrier warfare, severely weakening Japanese naval strength and boosting American morale, ultimately contributing to the Allies' eventual victory in the Pacific.