Episode 10 World War I (1914–1918) — The War to End All Wars

In the summer of 1914, Europe stood on the edge of an abyss it could not yet see. For decades, great powers had armed themselves, forged alliances, and expanded their empires, yet they also believed in progress, reason, and civilization. Few imagined that a single spark could set the continent aflame. But when the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand, was assassinated in Sarajevo, the delicate balance collapsed. Within weeks, the world was at war.