The Ruso-American War, also known as World War III, was a conflict between the United States and its NATO allies and the Soviet Union. The war lasted under one year, starting on October 20th, 1962, and ending on July 8th, 1963. The war was the first war between nuclear powers, with both sides using nuclear weapons. The war was catastrophic, with over twenty million killed and five million wounded, missing or captured. The war ended with the signing of the Treaty of Moscow, which formally ended the Cold War.