| Unit Name: | IV Reserve Corps IV. Reserve-Korps |
| Dates: | 2 August 1914 - post November 1918 |
| Type: | Corps |
| Size: | Approximately 38,000 (on formation) |
| Battles: | World War I |
| Identification Symbol: | IV RK |
| Identification Symbol Label: | Abbreviation |
The IV Reserve Corps (de|'''IV. Reserve-Korps / IV RK''') was a corps level command of the German Army in World War I.
IV Reserve Corps was formed on the outbreak of the war in August 1914 as part of the mobilisation of the Army. It was initially commanded by General der Artillerie Hans von Gronau, who was recalled from retirement.[1] From 24 July 1916 to 19 December 1917, the Corps was known as Karpathenkorps (Carpathian Corps).[2] The Corps was still in existence at the end of the war as part of the 2nd Army, Heeresgruppe Kronprinz Rupprecht on the Western Front.
On formation in August 1914, IV Reserve Corps consisted of two divisions, made up of reserve units. In general, Reserve Corps and Reserve Divisions were weaker than their active counterparts
Reserve Infantry Regiments did not always have three battalions nor necessarily contain a machine gun company[3]
Reserve Jäger Battalions did not have a machine gun company on formation[4]
Reserve Cavalry Regiments consisted of just three squadrons[5]
Reserve Field Artillery Regiments usually consisted of two abteilungen of three batteries each[6]
Corps Troops generally consisted of a Telephone Detachment and four sections of munition columns and trains [7]
In summary, IV Reserve Corps mobilised with 25 infantry battalions, 4 machine gun companies (24 machine guns), 6 cavalry squadrons, 12 field artillery batteries (72 guns) and 3 pioneer companies.
22nd Reserve Division was formed by units drawn from the XI Corps District.
| Corps | Division | Brigade | Units | |||
|---|---|---|---|---|---|---|
| ROWSPAN=23 | IV Reserve Corps | ROWSPAN=10 | 7th Reserve Division | ROWSPAN=2 | 13th Reserve Infantry Brigade | 27th Reserve Infantry Regiment |
| 36th Reserve Infantry Regiment[8] | ||||||
| ROWSPAN=3 | 14th Reserve Infantry Brigade | 66th Reserve Infantry Regiment[9] | ||||
| 72nd Reserve Infantry Regiment | ||||||
| 4th Reserve Jäger Battalion | ||||||
| ROWSPAN=5 | 1st Reserve Schwere Reiter Regiment | |||||
| 7th Reserve Field Artillery Regiment | ||||||
| 4th Company, 4th Pioneer Battalion | ||||||
| 7th Reserve Divisional Pontoon Train | ||||||
| 4th Reserve Medical Company | ||||||
| ROWSPAN=11 | 22nd Reserve Division | ROWSPAN=3 | 43rd Reserve Infantry Brigade | 71st Reserve Infantry Regiment[10] | ||
| 94th Reserve Infantry Regiment[11] | ||||||
| 11th Reserve Jäger Battalion | ||||||
| ROWSPAN=2 | 44th Reserve Infantry Brigade | 32nd Reserve Infantry Regiment[12] | ||||
| 82nd Reserve Infantry Regiment | ||||||
| ROWSPAN=6 | 1st Reserve Jäger zu Pferde Regiment | |||||
| 22nd Reserve Field Artillery Regiment | ||||||
| 1st Reserve Company, 4th Pioneer Battalion | ||||||
| 2nd Reserve Company, 4th Pioneer Battalion | ||||||
| 2nd Reserve Divisional Pontoon Train | ||||||
| 11th Reserve Medical Company | ||||||
| ROWSPAN=2 | Corps Troops | ROWSPAN=2 | 4th Reserve Telephone Detachment | |||
| Munition Trains and Columns corresponding to the III Reserve Corps |
On mobilisation, IV Reserve Corps was assigned to the 1st Army, which was on the right wing of the forces that invaded France and Belgium as part of the Schlieffen Plan offensive in August 1914.
IV Reserve Corps had the following commanders during its existence:[13] [14]
| From | Rank | Name |
|---|---|---|
| 2 August 1914 | Hans von Gronau | |
| 11 September 1915 | Arnold von Winckler | |
| 7 August 1916 | Richard von Conta[15] | |
| 18 August 1918 |