Jose de San Martin liberated Argentina, Chile, and Peru, then shocked history by resigning after a private meeting with Simon Bolivar in Guayaquil in 1822. This deep dive traces his career as a decorated Spanish officer, his turn toward Enlightenment ideals, and his return to South America to fight for independence.

We examine the Battle of San Lorenzo, his rejection of the Upper Peru route, his wartime economy in Cuyo, the epic crossing of the Andes, the disinformation that scattered Spanish defenses, victories at Chacabuco and Maipu, and his blockade strategy that took Lima. Finally, we consider why he chose exile rather than risk a split with Bolivar.

• Why a career Spanish officer joined the revolution against Spain
• How San Martin mobilized Cuyo’s economy and manpower for war
• The logistics and psychological warfare behind crossing the Andes
• His asymmetrical campaign in Peru against a far larger royalist army
• The Guayaquil meeting and his choice of self-imposed exile in Europe