[["The second world war took place between 1939 and 1945 .", 634.0], ["World War II started in September of 1939 and ended in September of 1945", 222.0], ["World war two  started in 1942", 24.0], ["Two parts, European and Pacific.  European started with Germany's invasion of Poland in 1939.  Pacific started in Japan's attacking China and Korea.   USA got involved with Japan's surprise attack on Pearl Harbor, Hawaii...Dec 7, 1941.", 0.0]]
what year was world war two
history