The First World War transformed the world more profoundly than any previous conflict. It began with a single assassination in Sarajevo, setting off a chain of events that drew the world's great powers into war. Follow the German advance halted at the First Battle of the Marne, the devastating trench battles of Verdun and the Somme, and the signing of the Treaty of Versailles, which ended the war while planting the seeds of future conflicts. This campaign reveals how just a few years reshaped warfare and forever changed the political landscape of modern Europe.
