World War II was a deadly and devastating period of time in history. It’s estimated that between 50 million and 80 million people lost their lives during the massive war that began when Nazi Germany invaded Poland. Lasting from 1939 until 1945, the war changed the lives of many and disrupted entire generations. The Nazi regime led by Adolf Hitler is a painful chapter in history. It will be forever stamped as a hazardous warning: we must never let something like it happen again. Take this challenging quiz and see how well you can recall the events of WW II.