Otto von Bismarck unified Germany through three carefully engineered wars, each designed to isolate a specific enemy and absorb their territory — Denmark in 1864, Austria in 1866, France in 1871. He edited a telegram to provoke France into declaring war, manipulated alliances with a precision that left every rival outmaneuvered, and built the German Empire through a combination of military force and diplomatic genius that made him the dominant figure in nineteenth-century European politics.

This episode traces Bismarck from his Junker estate through the "blood and iron" speech, the three wars of unification, and the alliance system that kept the peace until his dismissal by Kaiser Wilhelm II unraveled everything.

• Bismarck's Junker aristocratic origins and the "blood and iron" philosophy of power politics
• The three wars of ...