What is the biggest war in the world?
World War II was the biggest and deadliest war in history, involving more than 30 countries. Sparked by the 1939 Nazi invasion of Poland, the war dragged on for six bloody years until the Allies defeated Nazi Germany and Japan in 1945. World War II..
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE