World War II ended in 1945. This is a well-known fact in history. The war began in 1939 and lasted for six years, resulting in widespread destruction and loss of life. In 1945, the Allied forces, led by the United States, the Soviet Union, and the United Kingdom, successfully defeated the Axis powers, which included Germany, Italy, and Japan. The year 1945 marked the end of the war, with the surrender of Germany in May and the surrender of Japan in September after the atomic bombings of Hiroshima and Nagasaki.