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BATTLE // November 8, 1936

Siege of Madrid

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Overview

The siege of Madrid was a two-and-a-half-year siege of the Republican-controlled Spanish capital city of Madrid by the Nationalist armies, under General Francisco Franco, during the Spanish Civil War (1936–1939). The city, besieged from October 1936, fell to the Nationalist armies on 28 March 1939. The Battle of Madrid in November 1936 saw the most intense fighting in and around the city when the Nationalists made their most determined attempt to take the Republican capital.

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

Significance

The Siege of Madrid, lasting from October 1936 to March 1939, was one of the defining campaigns of the Spanish Civil War. The Republican capital held out for over two and a half years against Nationalist forces under Francisco Franco, making it a prolonged test of each side's ability to sustain operations in and around a major urban center. The most intense phase came in November 1936, when the Nationalists made their most determined attempt to seize the city. Although Madrid ultimately fell to Nationalist armies on 28 March 1939, its prolonged resistance shaped the overall trajectory of the war, demonstrating that the Republic could mount organized urban defense and compelling Franco to redirect resources and attention to other fronts before the capital could be reduced. The city's eventual fall effectively marked the end of the Spanish Civil War, confirming Nationalist control over the country.

Forces & casualties

Troop strength

  • Spanish Republic42,000
    medium
  • Nationalist Spain20,000
    medium

Spanish Republic fielded a 2.1 : 1 numerical advantage

Casualties

  • Spanish Republic5,000
    medium12% loss rate
  • Nationalist Spain5,000
    medium25% loss rate

Commanders (29)

Nationalist Spain

Spanish Republic

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6 sibling battles · 6 factions

Last verified May 2026
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