- Active
- 18 September 1936 – 23 September 1938 ( 1936-09-18 – 1938-09-23 )
- Country
- Multiple and others...
- Allegiance
- Communist International Second Spanish Republic
- Type
- Infantry
- Role
- Paramilitary
- Size
- 32,000
- Garrison hq
- Albacete
- Mottos
- Por vuestra libertad y la nuestra (" For your freedom and ours ")
- Engagements
- Spanish Civil War Battle of Madrid Battle of Lopera Battle of Jarama Battle of Guadalajara Segovia Offensive Huesca Offensive Battle of Brunete Battle of Belchite Battle of Teruel Aragon Offensive Battle of Caspe Battle of the Ebro
- Notable commanders
- André Marty Manfred Stern Hans Kahle Luigi Longo Karol Świerczewski Tom Wintringham Robert Hale Merriman Máté Zalka Wilhelm Zaisser Bill Alexander Veli Dedi Valter Roman