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BATTLE // December 15, 1937

Battle of Teruel

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Overview

The Battle of Teruel was fought in and around the city of Teruel during the Spanish Civil War between December 1937 and February 1938, during the worst Spanish winter in 20 years. The battle was one of the bloodiest actions of the war, with the city changing hands several times by first falling to the Republicans and eventually being retaken by the Nationalists. In the course of the fighting, Teruel was subjected to heavy artillery and aerial bombardment. In the two-month battle, both factions together took 110,000 casualties.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Teruel, fought between December 1937 and February 1938, was among the bloodiest engagements of the Spanish Civil War. The city changed hands multiple times: Republican forces initially captured Teruel before the Nationalists ultimately retook it. Together the two sides sustained approximately 110,000 casualties over two months of fighting, with Republican losses reaching around 60,000 and Nationalist losses around 57,000. The battle was fought during what was described as the worst Spanish winter in twenty years, a condition that compounded attrition on both sides. The heavy artillery and aerial bombardment the city endured underscored the destructive character of positional urban fighting in the conflict. The outcome — Nationalist recovery of Teruel — left the Republic having expended substantial forces for a temporary gain, accelerating the erosion of Republican military capacity in the later stages of the war.

Tactics

The battle was fought in and around the urban terrain of Teruel and involved heavy artillery and aerial bombardment of the city. Republican forces initially seized Teruel before Nationalist forces mounted a counteroffensive that ultimately retook it, with the city changing hands several times in the course of the two-month engagement.

Forces & casualties

Troop strength

  • Spanish Republic40,000
    medium
  • Nationalist Spain4,000
    medium

Spanish Republic fielded a 10.0 : 1 numerical advantage

Casualties

  • Spanish Republic60,000
    medium150% loss rate
  • Nationalist Spain57,000
    medium1425% loss rate

Commanders (12)

Nationalist Spain

Spanish Republic

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6 sibling battles · 6 factions

Last verified May 2026
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