World War II pitted the most powerful armies on earth against one another in an armed conflict that spanned the globe and profoundly shaped world history. Seventy nations fought and more than seventy million people died in history’s deadliest conflagration. From Pearl Harbor to D-Day, Hiroshima to the Holocaust—this deck of forty-eight cards will test your knowledge of the war’s battles, leaders, alliances, and strategies. The front of each card shows a date and place and asks “What Happened Here?” The answer on the back provides concise and insightful information on one key aspect of the conflict. Reading alone, or as part of a multiplayer history challenge, you’ll learn all about the war that began even before Germany’s invasion of Poland in 1939 and ended with Japanese surrender aboard USS Missouri on September 2, 1945.