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What is the longest war in history?

Published in Longest War 2 mins read

The longest war in history is widely considered to be the Reconquista, a series of military campaigns by Christian kingdoms to recapture territory from the Moors (Muslims) in the Iberian Peninsula. This conflict spanned an astonishing 781 years.

Understanding the Reconquista

The term "Reconquista" is Spanish for "Reconquest," and it refers to the period from the initial Moorish invasion of Hispania in the early 8th century to the fall of the last Muslim stronghold, Granada, in 1492.

Key Facts about the Reconquista:

War Name Duration Period Primary Combatants Outcome
Reconquista 781 years c. 711 AD – 1492 AD (or 718-1492) Christian kingdoms (e.g., Castile, Aragon, Leon) vs. Muslim-ruled Al-Andalus (Moors) Christian reunification of the Iberian Peninsula

This extended period was not a continuous, single war but rather a complex series of battles, sieges, alliances, and shifting borders between various Christian kingdoms and Muslim emirates. It profoundly shaped the history, culture, and identity of Spain and Portugal.

Why is the Reconquista considered the longest war?

Unlike many modern conflicts that are clearly defined by specific start and end dates with formal declarations, the Reconquista was a gradual, centuries-long process of territorial reclamation. Its immense duration stems from:

  • Fragmented Combatants: Neither side was a unified entity for the entire duration. Multiple Christian kingdoms and Muslim states rose and fell, leading to constantly shifting alliances and battlefronts.
  • Intermittent Warfare: While the overall period was one of conflict, it was punctuated by periods of peace, trade, and even cultural exchange between Christian and Muslim territories. Major military campaigns would often be followed by decades of relative calm before new offensives began.
  • Strategic Objectives: The Christian objective was the complete expulsion of Muslim rule from the peninsula, a monumental task that required sustained effort over many generations.

The culmination of the Reconquista came in 1492 with the surrender of Granada, marking the end of over seven centuries of Muslim presence in Iberia and coinciding with Christopher Columbus's voyage to the Americas, funded by the newly unified Spanish monarchy.

For more detailed information, you can explore resources on the Reconquista.