On September 1, 1939, Adolf Hitler invaded Poland. Just two days later, France and Britain declared war on Germany, which began World War II. The global war would last more than half a decade and would change the political alignment and social structure of the world as we previously knew it. Today, we still feel the effects of the deadliest conflict in human history. Do you think you know all of the details revolving around World War II/ Let’s put your knowledge to the test and see how well you do on this quiz!