1937 in Spain

Incumbents

• President: Manuel Azaña
• Prime Minister: Francisco Largo Caballero until May 17, Juan Negrín

  Events

• February 6–27 - Battle of Jarama
• March 5 - Battle of Cape Machichaco
• March 6-April 16 - Battle of Pozoblanco
• March 8–23 - Battle of Guadalajara
• March 31-October 21 - War in the North
• March 31-July 1 - Biscay Campaign
• March 31 - Battle of Guadarrama
• March 31 - Bombing of Durango
• April 1 - Bombing of Jaén
• April 26 - Bombing of Guernica
• May 3–8 - Barcelona May Days
• May 29 - Deutschland incident
• May 31 - Bombardment of Almería
• May 31-June 6 - Segovia Offensive
• June 12–19 - Huesca Offensive
• June 12–19 - Battle of Bilbao
• July 5-August 11 - Battle of Albarracín
• July 6–25 - Battle of Brunete
• August 14-September 17 - Battle of Santander
• August 24-September 7 - Zaragoza Offensive
• August 24-September 7 - Battle of Belchite

  Births

Deaths

• January 18 - Jaime Hilario Barbal
• June 3 - Emilio Mola, One of the three leaders of the Spanish civil war.
• June 20 - Andrés Nin
• 26 July — Gerda Taro, Polish-German war photographer