Battle of Ayacucho

Type of action: Ground battle in the South American Wars of Independence

Date: December 9, 1824

Location: High plain halfway between Lima and Cuzco

Combatants: 9,000 Royalists vs. 6,000 Patriots

Principal commanders:Spanish, Viceroy José de La Serna y Hinojosa (1770–1832); Patriot, General Antonio José de Sucre (1795–1830)

Result: Spanish defeat

In South America, Spain retained Peru to the last because of its mineral wealth as well as its inhabitants’ apathy and vacillation. However, in 1823, Spain’s political situation created dissension in its Peruvian army. In 1824, Patriot leader Simón Bolívar exploited Spanish disarray with an offensive that achieved some success in a August 6 victory at Junín.

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Concentrating on Peru’s politics, Bolívar delegated military command to General Antonio José de Sucre. Viceroy José de La Serna y Hinojosa took command of Spain’s forces, and the two sides maneuvered for advantage through autumn. In early December, they confronted each other at Ayacucho, a small plain confined by ravines and mountains.

Both sides possessed infantry, cavalry, a small amount of artillery, and a desire for battlefield resolution. Sucre admonished his troops that South America’s fate rested in their hands. The Spanish feinted left and attacked the Patriot right, which initially retreated. The Patriots held the feint and counterattacked from their right and center. Sucre used these forces and his reserve to blunt and then overwhelm the Royalist right flank assault. The Patriots pursued the collapsing Spanish army and captured La Serna. The Spanish lost 1,400 killed, and the Patriots lost 370 killed.

Significance

The rest of La Serna’s army surrendered on December 10, eliminating the last major Spanish military force in South America. Isolated Spanish units continued fighting for a couple of years, but Ayacucho marked the effective end of the South American Wars of Independence.

Bibliography

Lynch, John. The Spanish-American Revolutions. New York: W. W. Norton, 1986.

Millington, Thomas. Colombia’s Military and Brazil’s Monarchy: Undermining the Republican Foundations of South American Independence. Westport, Conn.: Greenwood Press, 1996.

Prago, Albert. The Revolutions in Spanish America. New York: Macmillan, 1970.

Sherwell, Guillermo. Antonio José de Sucre. Washington, D.C.: Byron S. Adams, 1924.