WMixed brigade was a basic tactical military unit of the Republican army during the Spanish Civil War. It was initially designed as “pocket division”, an innovative maneuverable combined-arms formation. Because of high saturation with specialized troops and services it would have resembled a division, but in terms of manpower it would have been much smaller and amount to some 3,700 men.
WThe 3rd Mixed Brigade, was one of the earliest mixed brigades of the Spanish Republican Army in the Spanish Civil War. It was formed in the fall of 1936 with battalions of the Carabineros corps and saw major action right away in the Defence of Madrid. This brigade also included female combatants —such as Sergeant "La Chata"— and would take part in most of the major battles of the Spanish Civil War, except in the Battle of Jarama.
WThe 8th Mixed Brigade was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed at the beginning of the Defence of Madrid in early spring 1937 with battalions of the Carabineros corps and it remained in Madrid all along the war. Its first commander was Carabineros Lt. Colonel Enrique del Castillo Bravo who was succeeded by Carabineros Commanders Emeterio Jarillo Orgaz and José Casted Sena.
WThe 49th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in February 1937 at the Guadalajara Front.
WThe 84th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in March 1937 with battalions of the Iron Column and was disbanded after the tragic events at Mora de Rubielos when 46 soldiers were shot by firing squad in a decimation following the brigade's Battle of Teruel December combats in harsh winter conditions.
WThe 86th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in March 1937 with battalions of the Carabineros corps. Until its demise it operated mostly in the Sierra Morena area, at the southern limits of the territory held by the Republic.
WThe 87th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in March 1937 with battalions of the Carabineros corps. Its first commander was Infantry Colonel Carlos Amores Cantos, who was succeeded by Militia Major Andrés Nieto Carmona.
WThe 109th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the spring of 1937 in Utiel with four battalions, the 433, 434, 435 and 436.
WThe 175th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. Its number was formerly corresponding to the 10th Santander Brigade, a unit operating in Santander, Spain but was assigned to a new unit in the spring of 1938 in Valencia Province and had four battalions, 697, 698, 699 and 700.
WThe 181st Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War.
WThe 182nd Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the spring of 1938 in Andalusia and had four battalions, the 725, 726, 727 and 728.
WThe 221st Mixed Brigade, was a Mixed Brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the summer of 1937 in Ciudad Real with four battalions, the 881, 882, 883 and 884.
WThe 222nd Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the summer of 1937 with battalions of the Carabineros corps. Its only commander was the Carabineros Lieutenant Tiburcio Díaz Carrasco.
WThe 223rd Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the summer of 1937 from Coastal Defence units and had four battalions, the 889, 890, 891 and 892. This unit lasted until the end of the war.
WThe 224th Mixed Brigade was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in summer 1937 in Catalonia from scattered Coastal Defence units and had four battalions: the 893, 894, 895 and 896.
WThe 225th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the summer of 1937 in Valencia with units belonging to the Eastern Coastal Defence and had four battalions, the 897, 898, 899 and 900.
WThe 226th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. Part of its forces had belonged to the former Bautista Garcet Battalion, which had distinguished itself in the combats of the Córdoba offensive at the beginning of the Civil War. Its formation began in August 1937 in Catalonia, but it was delayed for a long time, the brigade not becoming fully operational until 1938. It had four battalions, the 901, 902, 903 and 904.
WThe 227th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the spring of 1938 in Catalonia and had four battalions, the 905, 906, 907 and 908.
WThe 228th Mixed Brigade, was a short-lived mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in the last months of the Civil War with battalions belonging to the Carabineros corps. Its first and only leader was the Carabineros Commander Miguel Bascuñana Sánchez.
WThe 242nd Mixed Brigade, was a short-lived mixed brigade of the Spanish Republican Army in the Spanish Civil War.
WThe 245th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War.
WThe 246th Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War.
WThe CL International Brigade or 150th International Brigade, also known as "Dabrowski Brigade", was a military unit of the International Brigades during the Spanish Civil War. Its members were mostly Polish, but there was also a Spanish battalion, as well as a Hungarian section.
WThe CXXIX International Brigade or 129th International Brigade was a military unit of the International Brigades during the Spanish Civil War. Its members were from a number of different countries thus it was also known as "Forty Nations Brigade".
WThe First Mixed Brigade, also known as Brigada Lister, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was disbanded on 9 February 1939.
WThe Second Mixed Brigade, was a mixed brigade of the Spanish Republican Army in the Spanish Civil War. It was formed in October 1936 as a result of the reorganization of the Spanish Republican Armed forces.
WThe XI International Brigade fought for the Spanish Second Republic in the Spanish Civil War.
WThe XII International Brigade was mustered on 7 November 1936 at Albacete, Spain. It was formerly named the Garibaldi Brigade, after the most famous and inspiring leader in the Italian Independence Wars, General Giuseppe Garibaldi.
WThe 13th International Brigade – often known as the XIII Dąbrowski Brigade – fought for the Spanish Second Republic during the Spanish Civil War, in the International Brigades. The brigade was dissolved and then reformed on four occasions.
WThe XIV International Brigade was one of several international brigades that fought for the Spanish Second Republic during the Spanish Civil War.
WThe Abraham Lincoln Brigade, officially the XV International Brigade, was a mixed brigade that fought for the Spanish Republic in the Spanish Civil War as a part of the International Brigades.