The X Army Corps was a military formation belonging to the Spanish Republican Army that fought during the Spanish Civil War. During the war it was deployed on the fronts of Aragon, Segre and Catalonia.

History The unit was created in June 1937, within the Eastern Army. It covered the front line that ran from the French border to the Sierra de Alcubierre, with its headquarters in Barbastro. During the following months some of its forces intervened in the offensives of Huesca (June), Zaragoza (August) and Biescas (September-October), which, however, did not bear the desired results: both Huesca and Jaca remained in the hands of the nationalist forces.

In the spring of 1938, during the Aragon Campaign, the X Army Corps performed poorly. From the first moment its forces fell back from the enemy push, particularly the 31st Division, whose withdrawal —Which eventually became a rout— left the southern flank of the 43rd Division unprotected. At the beginning of April the X Army Corps, after a long retreat, they maintained their positions on the defensive line of the Segre River. Some elements of its 34th Division intervened in the Balaguer Offensive at the end of May. At the beginning of the Catalonia Campaign, the X Army Corps continued to cover the Segre line. Its troops offered resistance to the nationalist assault, although at the beginning of 1939 the formation was forced to withdraw towards the French border along with the rest of the Eastern Army.

Command Commanders José González Morales; Juan Perea Capulino; Miguel Gallo Martínez; Rafael Trigueros Sánchez-Rojas; Gregorio Jover Cortés;

Commissars Julián Borderas Pallaruelo, of the PSOE; Gregorio Villacampa Gracia, of the CNT; Juan Manuel Molina, of the CNT;

Chiefs of Staff Joaquín Alonso García; Pascual Miñana de la Concepción; Magín Doménech Pujol; Enrique López Pérez;

Order of Battle Date Attached Army Integrated divisions Battlefront June 1937 Eastern Army 28th, 29th and 43rd Aragon July 17, 1937 Eastern Army 28th, 31st and 43rd Aragon December 1937 Eastern Army 31st and 43rd Aragon May 1938 Eastern Army 24th and 34th Segre September 3, 1938 Eastern Army 31st and 55th Segre December 27, 1938 Eastern Army 31st, 32nd and 55th Segre January 2, 1939 Eastern Army 32nd, 34th and 55th Segre

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