Bet You Didn't Know: World War I Overview
This clip gives some background and an overview of World War I. It states that the assassination of Archduke Ferdinand started the war and that the conflict spread across the world, involving 30 countries and 65 million soldiers. It puts into perspective the scale of the conflict and offers some fun facts, such as a soccer game between the German and British troops near Ypres, Belgium. Finally, it indicates how the Treaty of Versailles' destabilized the region, which helped Adolf Hitler rise to power.