| XI Army Corps | |
|---|---|
| XI Cuerpo de Ejército (Bando republicano) | |
| Active | June 1937–February 1939 |
| Country | Spanish Republic |
| Allegiance |  Spanish Republic Republican faction |
| Branch |  Spanish Republican Army |
| Type | Infantry |
| Size | Army Corps |
| Garrison/HQ | Sariñena |
| Engagements | Spanish Civil War: |
The XI 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.
The unit was created in June 1937, within the Eastern Army. It was made up of the divisions 26th, 27th and 32nd, [1] having its headquarters in Sariñena. [2] It covered the front line that ran from the south of Huesca —in union with the X Army Corps – to the Ebro river – where, in turn, it united with the XII Army Corps. During the following months some of its forces intervened in the Zaragoza and Belchite offensives, which, however, did not bear the desired results.
In the spring of 1938, during the Aragon campaign, the forces of the XI Army Corps were unable to cope with the pressure of the nationalist units. By early April, the remnants of the army corps had established their positions along the defensive line of the Segre river. During the following months it did not take part in relevant military operations, reorganizing its battered forces after the withdrawal in Aragon. After the beginning of the Catalonia campaign, they maintained resistance in their defensive positions, some units managing to offer strong opposition —as was the case with the 26th Division. [3] Despite this, the enemy pressure did not subside and at the beginning of 1939 the XI Army Corps was forced to withdraw towards the French border along with the rest of the Eastern Army.
| Date | Attached Army | Integrated divisions | Battlefront |
|---|---|---|---|
| June 1937 | Eastern Army | 26th, 27th and 32nd | Aragon |
| October 1937 | Eastern Army | 26th, 32nd, 44th and 45th | Aragon |
| December 1937 | Eastern Army | 26th and 32nd | Aragon |
| April 19, 1938 | Eastern Army | 26th, 30th and 32nd | Segre |
| September 3, 1938 | Eastern Army | 26th and 34th | Segre |
| December 1938 | Eastern Army | 26th, 30th and 32nd | Segre |
| January 2, 1939 | Eastern Army | 30th and 31st | Segre |
The Eastern Army, also translated as the Army of the East, was a unit of the Spanish Republican Army that operated in the eastern part of Spain during the Spanish Civil War. Republican forces deployed on the Aragon front of the war initially came under the command structure of the unit. Later in the Civil War, the unit operated in Catalonia, defending the Republican defensive line along the Segre river.
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