Unification of Germany

Otto von Bismarck spent the 1860s engineering a series of wars that would bind the fractious German states into a single nation under Prussian dominance. The Franco-Prussian War proved the decisive catalyst: after Prussian forces decisively defeated France in September 1870, the southern German kingdoms—Bavaria, Württemberg, and Baden—agreed to join the North German Confederation. On January 18, 1871, Wilhelm I was proclaimed German Emperor in the Hall of Mirrors at Versailles, a calculated insult to French dignity that nonetheless cemented the new German state.

Bismarck's achievement wasn't inevitable. The German Confederation established in 1815 after Napoleon's defeat had kept the region fragmented across dozens of kingdoms, principalities, and city-states. Austria and Prussia jostled for supremacy, and the revolutions of 1848 had failed to create lasting unity from below. Bismarck, as Prussian Minister-President since 1862, pursued what he called Realpolitik—the ruthless pursuit of national interest through military and diplomatic means, unencumbered by ideological purity.

The path to 1871 ran through blood. The Second Schleswig War (1864) against Denmark, fought jointly with Austria, gave Bismarck control of Holstein and Schleswig. The Austro-Prussian War (1866) was the crucial test: Prussian victory at Königgrätz in July knocked Austria out of German affairs entirely and allowed Bismarck to reorganize northern Germany under Prussian leadership. The North German Confederation, established in 1867 with a constitution and a parliament (the Reichstag), provided the institutional framework.

France under Napoleon III watched this consolidation with growing alarm. Bismarck exploited the Ems Dispatch—a telegram about a diplomatic dispute over the Spanish throne—to provoke French declaration of war in July 1870. The Prussian army, modernized and efficiently mobilized, crushed French forces at Sedan in September, capturing Napoleon III himself. The war's conclusion delivered not just military victory but the South German kingdoms' voluntary adhesion to the new German state.

The German Empire that emerged was not a democratic creation. Wilhelm I became Emperor; Bismarck became Chancellor with sweeping powers. The Reichstag existed but could not control the military budget or force ministerial resignations. Yet the new state possessed industrial might, military strength, and nationalist fervor. France lost Alsace-Lorraine and paid a massive indemnity. The European balance of power had shifted irreversibly, and within four decades this new German nation would plunge Europe into world war.