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 60 million people died in history’s deadliest conflagration. From Pearl Harbor to D-Day, Hiroshima to the Holocaust—this deck of 48 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 key aspects 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, ended with the Japanese surrender in 1945, and continues to reverberate today.