The unit was created on December 31, 1936 on the Guadarrama front from the forces of Domingo Moriones, being assigned to the 2nd Division of the I Army Corps.

[3] Among the brigade units was the Alpine battalion, of which part was formed by the Club Peñalara skiers.

For about a year the brigade remained located at the Madrid front, with its command post at Los Berrocales.

[1] On July 3, 1938, the brigade was assigned to the 61st Division, being sent to the Levante front, under the command of Vicente Pragas, to face the nationalist offensive.

On January 13, 1939, it was sent to the Hinojosa del Duque sector, with the 51st Division, to take part in the Battle of Peñarroya.