Giuseppe Garibaldi conquered the Kingdom of the Two Sicilies with a thousand volunteers in red shirts — one of the most improbable military campaigns in modern history. While Cavour manipulated from behind a desk, Garibaldi fought in the streets, on the beaches, and across the mountains, turning Italian unification from a diplomatic project into a popular revolution. He was the sword to Cavour's pen, and Italy could not have been born without both.

This episode traces Garibaldi from his Nice childhood through the South American guerrilla wars, the Expedition of the Thousand, and the complicated relationship with the monarchy he helped install.

• Garibaldi's early revolutionary career in South America and the guerrilla experience it provided
• The Expedition of the Thousand — a volunteer army that conquered a kingdom
• T ...