21st Reserve Division (21. Reserve-Division) | |
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Active | 1914-1919 |
Country | Germany |
Branch | Army |
Type | Infantry |
Size | Approx. 15,000 |
Engagements | World War I: Great Retreat, First Battle of the Marne, Battle of Verdun, Second Battle of the Aisne, Battle of Cambrai (1917), German spring offensive, Hundred Days Offensive, Second Battle of the Somme (1918) |
The 21st Reserve Division (21. Reserve-Division) was a unit of the Imperial German Army during World War I. The division was formed upon mobilization of the German Army in August 1914 [1] as part of XVIII Reserve Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was raised primarily in the Prussian Province of Hesse-Nassau, but one battalion of the 88th Reserve Infantry Regiment came from the Grand Duchy of Hesse, and some other troops of the division came from Westphalia and the Rhine Province.
The 21st Reserve Division fought on the Western Front, participating in the opening German offensive which led to the Allied Great Retreat and ended with the First Battle of the Marne. Thereafter, the division remained in the line in the Champagne region until June 1916. In July 1916, the division entered the Battle of Verdun. It returned to the Champagne in September and then went back to Verdun in December 1916-January 1917. In the Spring of 1917, the division fought in the Second Battle of the Aisne, also known as the Third Battle of Champagne. In November 1917, the division saw action in the tank battle at Cambrai. The division participated in the 1918 German spring offensive. It faced the Allied Hundred Days Offensive, and fought in the Second Battle of the Somme (1918) (also called the Third Battle of the Somme). Allied intelligence rated the division as second class. [1] [2]
The order of battle of the 21st Reserve Division on mobilization was as follows: [3]
The 21st Reserve Division was triangularized in October 1916. Over the course of the war, other changes took place, including the formation of artillery and signals commands and a pioneer battalion. The order of battle on March 8, 1918, was as follows: [4]
The 50th Infantry Division was a formation of the Prussian Army as part of the Imperial German Army during World War I. The division was formed on March 10, 1915 from units taken from other divisions or newly raised. Its infantry core was from Westphalia: the 39th Lower Rhine Fusilier Regiment, taken from the 14th Reserve Division, the 53rd Westphalian Infantry Regiment, taken from the 14th Infantry Division, and the 158th Lorraine Infantry Regiment, taken from the 13th Infantry Division.
The 30th Division was a unit of the Prussian/German Army. It was formed on April 1, 1887, as the 33rd Division and became the 30th Division on April 1, 1890, and was headquartered in Straßburg. The division was subordinated in peacetime to the XV Army Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was recruited primarily in the Rhineland and Westphalia, with the 105th Infantry Regiment recruited in the Kingdom of Saxony.
The 33rd Division was a unit of the Prussian/German Army. It was formed on April 1, 1871, as the 30th Division and became the 33rd Division on April 1, 1890, and was headquartered in Metz. The division was subordinated in peacetime to the XVI Army Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was recruited heavily in densely populated Westphalia, as its primary recruiting and garrison area was Lorraine, whose German population was insufficient to support the division.
The 34th Division was a unit of the Prussian/German Army. It was formed on April 1, 1890, and was headquartered in Metz. The division was subordinated in peacetime to the XVI Army Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was recruited heavily in the densely populated Rhine Province and in the Province of Westphalia, as its primary recruiting and garrison area was Lorraine, whose German population was insufficient to support the divisions of the XVI Army Corps.
The 5th Reserve Division was a unit of the German Army, in World War I. The division was formed on mobilization of the German Army in August 1914. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was a reserve division of the III Reserve Corps and was raised in the Prussian Province of Brandenburg.
The 6th Reserve Division was a unit of the German Army, in World War I. The division was formed on mobilization of the German Army in August 1914. The division was disbanded in September 1918. The division was a reserve division of the III Reserve Corps and was raised primarily in the Prussian Province of Brandenburg.
The 9th Reserve Division was a unit of the Imperial German Army, in World War I. The division was formed on the mobilization of the German Army in August 1914. The division was disbanded during the demobilization of the German Army after World War I. The division was a reserve division of the V Reserve Corps and was raised primarily in the Province of Posen and the Province of West Prussia.
The 36th Reserve Division was a unit of the Imperial German Army, in World War I. The division was formed on the mobilization of the German Army in August 1914 and was disbanded during the demobilization of the German Army after World War I. The division was a reserve division of the I Reserve Corps and was raised primarily in Pomerania Province and West Prussia Province.
The 28th Reserve Division was a unit of the Imperial German Army in World War I. The division was formed on the mobilization of the German Army in August 1914 as part of the XIV Reserve Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was raised primarily in the Grand Duchy of Baden.
The 25th Reserve Division was a unit of the Imperial German Army, in World War I. The division was formed on mobilization of the German Army in August 1914 as part of XVIII Reserve Corps and was disbanded in October 1918, with its assets being distributed to other units. The division was raised in the Grand Duchy of Hesse and the Prussian Province of Hesse-Nassau, while its 83rd Reserve Infantry Regiment included troops from the Principality of Waldeck.
The 10th Reserve Division was a unit of the Prussian Army, part of Imperial German Army in World War I. The division was formed on mobilization of the German Army in August 1914 as part of V Reserve Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was formed with a regular infantry brigade from the Province of West Prussia and a reserve infantry brigade from West Prussia and the Province of Posen.
The 13th Reserve Division was a unit of the Imperial German Army in World War I. The division was formed on the mobilization of the German Army in August 1914. The division was disbanded in 1919, during the demobilization of the German Army after World War I. The division was a reserve division of the VII Reserve Corps and was recruited primarily in the Province of Westphalia.
The 14th Reserve Division was a unit of the Imperial German Army in World War I. The division was formed on the mobilization of the German Army in August 1914. The division was disbanded in 1919, during the demobilization of the German Army after World War I. The division was a reserve division of the VII Reserve Corps and was recruited primarily in the Province of Westphalia and the Rhine Province. The division included an active infantry brigade from the 14th Division.
The 15th Reserve Division was a unit of the Prussian Army within the Imperial German Army in World War I. The division was formed on mobilization of the German Army in August 1914 as part of VIII Reserve Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was recruited primarily in the Prussian Rhine Province. At the beginning of the war, it formed the VIII Reserve Corps with the 16th Reserve Division.
The 16th Reserve Division was a unit of the Imperial German Army in World War I. The division was formed on mobilization of the German Army in August 1914 as part of VIII Reserve Corps. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was recruited primarily in the Prussian Rhine Province. At the beginning of the war, it formed the VIII Reserve Corps with the 15th Reserve Division.
The 43rd Reserve Division was a unit of the Imperial German Army in World War I. The division was formed in August 1914 and organized over the next two months. It was part of the first wave of new divisions formed at the outset of World War I, which were numbered the 43rd through 54th Reserve Divisions. The division was disbanded in 1918 and its assets redistributed to other divisions. The division was part of the XXII Reserve Corps and was raised through the depots of the elite Prussian Guard, and thus recruited throughout Prussia.
The 44th Reserve Division was a unit of the Imperial German Army in World War I. The division was formed in August 1914 and organized over the next two months. It was part of the first wave of new divisions formed at the outset of World War I, which were numbered the 43rd through 54th Reserve Divisions. The division was disbanded in 1919 during the demobilization of the German Army after World War I. The division was part of the XXII Reserve Corps and was recruited primarily in the Prussian Province of Brandenburg, but the 208th Reserve Infantry Regiment was raised in the Province of Hanover and the Duchy of Brunswick.
The 52nd Reserve Division was a unit of the Imperial German Army in World War I. The division was formed in September 1914 and organized over the next month, arriving in the line in October. It was part of the first wave of new divisions formed at the outset of World War I, which were numbered the 43rd through 54th Reserve Divisions. The division was initially part of XXVI Reserve Corps. It was disbanded in 1919 during the demobilization of the German Army after World War I. The division was primarily recruited in the Grand Duchy of Baden and in the Prussian Rhine Province.
The 58th Infantry Division was a unit of the Imperial German Army in World War I. The division was formed on March 6, 1915, and organized over the next two months. It was part of a wave of new infantry divisions formed in the spring of 1915 and was originally formed from troops from the Kingdom of Saxony and the Kingdom of Württemberg, but became a fully Saxon division by 1916. The division was disbanded in 1919 during the demobilization of the German Army after World War I.
The 9th Landwehr Division was a unit of the Imperial German Army in World War I. The division was formed in January 1915 as the Mühlenfels Division, named after its commander, and became the 9th Landwehr Division on February 14, 1915. The division was disbanded in 1919 during the demobilization of the German Army after World War I.