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BATTLE // March 20, 1937

North Campaign

Overview

The War in the North was a theatre of the Spanish Civil War that occurred in northern Spain from 31 March to 21 October 1937.

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

Significance

The North Campaign was a sustained theatre of operations lasting from 31 March to 21 October 1937 in northern Spain, pitting a Republican force of 120,000 against a Nationalist force of roughly 100,000 under commanders including Emilio Mola, Fidel Dávila, and José Solchaga, alongside Italian commander Ettore Bastico. Republican casualties reached 33,000 against Nationalist losses of approximately 10,000, a disparity that reflects the eventual Nationalist success in reducing the northern enclave. The campaign's elimination of the Republican northern zone denied the Republic a strategically separate industrial and territorial base, consolidating Nationalist control over that region and freeing forces for operations elsewhere in Spain.

Forces & casualties

Troop strength

  • Spanish Republic120,000
    medium
  • Nationalist Spain100,000
    medium

Spanish Republic fielded a 1.2 : 1 numerical advantage

Casualties

  • Spanish Republic33,000
    medium28% loss rate
  • Nationalist Spain10,000
    medium10% loss rate

Commanders (9)

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Related

6 sibling battles · 6 factions

Last verified June 2026
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