| A Yeomanry Division | ||||
| Summary history of the division | ||||
Converted to become the 1st Cyclist Division in July 1916, and broken up in the November of the same year, the units then being dispersed. (Another 1st Mounted Division was formed, from what had been 3rd Mounted Division). Remained in the United Kingdom. |
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| Order of Battle | ||||
| The Mounted Brigades were composed of three regiments of Yeomanry, with an attached Field Ambulance of the RAMC, Mobile Veterinary Section of the AVC, Transport and Supply Column of the ASC, a Signal Troop of the RE, and an artillery Battery of the RHA, unless specifically remarked below. These units had the name of their Brigade, so for example, the Field Ambulance attached might be called the 2nd South Midland Field Ambulance. | ||||
| Eastern Brigade | ||||
| In September 1915, became dismounted and moved via Egypt to ANZAC bridgehead on Gallipoli, attached to 54th Division. Was replaced in this Division by 2/1st South Wales Mounted Brigade. | ||||
| 1/1st Suffolk Yeomanry | ||||
| 1/1st Norfolk Yeomanry | ||||
1/1st Essex Yeomanry (joined August 1914, left November 1914) |
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| 1/1st Welsh Horse (joined March 1915, left September 1915) | ||||
| 2nd King Edward's Horse (joined December 1914, left March 1915) | ||||
| Eastern Signal Troop (had joined by March 1915) | ||||
| South Midland Mounted Brigade | ||||
| Brigade moved to 2nd Mounted Division in September 1914. Was replaced in this Division by the South Wales Mounted Brigade. | ||||
1/1st Warwickshire Yeomanry |
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| 1/1st Gloucestershire Yeomanry | ||||
| 1/1st Worcestershire Yeomanry | ||||
| 2nd South Midland Mounted Brigade | ||||
| Brigade moved to 2nd Mounted Division in September 1914. Was replaced in this Division by the Welsh Border Mounted Brigade. | ||||
1/1st Berkshire Yeomanry |
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| 1/1st Buckinghamshire Yeomanry | ||||
| 1/1st Oxfordshire Yeomanry | ||||
| Notts & Derbys Brigade | ||||
| Brigade moved to 2nd Mounted Division in August 1914. Was replaced in this Division by the North Midland Mounted Brigade. | ||||
| 1/1st Nottinghamshire Yeomanry (South Nottinghamshire Hussars) | ||||
| 1/1st Derbyshire Yeomanry | ||||
| South Wales Mounted Brigade | ||||
| Brigade joined the Division in September 1914 to replace the South Midland Brigade; was replaced in this Division by the 2/1st Eastern Mounted Brigade. In November 1915 the units became dismounted; moved to Egypt in March 1916, and was absorbed along with the Welsh Border Mounted Brigade into 4th Dismounted Brigade. The latter joined the Western Frontier Force. Later became 231 Brigade in 74th(Yeomanry) Division. | ||||
1/1st Pembroke Yeomanry |
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| 1/1st Montgomeryshire Yeomanry | ||||
| 1/1st Glamorgan Yeomanry | ||||
| Welsh Border Mounted Brigade | ||||
| Brigade joined the Division in September 1914 to replace the 2nd South Midland Brigade; in November 1915 the units became dismounted; moved to Egypt in March 1916, and was absorbed into 4th Dismounted Brigade along with the South Wales Mounted Brigade. The latter joined the Western Frontier Force. Later became 231 Brigade in 74th(Yeomanry) Division. Was replaced in this Division by the 2/1st Welsh Border Brigade. | ||||
1/1st Shropshire Yeomanry |
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| 1/1st Cheshire Yeomanry | ||||
| 1/1st Denbighshire Hussars | ||||
| North Midland Brigade | ||||
| Joined Division in September 1914, replacing the Notts & Derbys Brigade. In October 1915, the Brigade left and became an independent command. Was replaced in this Division by the 2/1st North Midland Brigade. Orders to move to Salonika were altered and the Brigade moved to Egypt instead, arriving November 1915. Redesignated 22nd Mounted Brigade in April 1916. Replaced in this Division by 2/1st North Midland Mounted Brigade. | ||||
1/1st Staffordshire Yeomanry |
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| 1/1st Lincolnshire Yeomanry | ||||
| 1/1st Welsh Horse (joined and left early 1915) | ||||
| 1/1st East Riding Yeomanry (joined May 1915, left October 1915) | ||||
| 2/1st Eastern Brigade | ||||
| Joined Division in March 1916, replacing the South Wales Brigade. Left the Division by July 1916. | ||||
2/1st Suffolk Yeomanry |
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| 2/1st Norfolk Yeomanry | ||||
| 2/1st Essex Yeomanry | ||||
| 2/1st South Wales Mounted Brigade | ||||
| Replaced the Eastern Brigade in October 1915. Redesignated 4th Mounted Brigade in July 1916. In the same month when this Division became the 1st Cyclist Division, was again redesignated as 4th Cyclist Brigade. Broken up in November 1916. | ||||
2/1st Pembroke Yeomanry |
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| 2/1st Montgomeryshire Yeomanry | ||||
| 2/1st Glamorgan Yeomanry | ||||
| 2/1st North Midland Brigade | ||||
| Replaced the North Midland Brigade in October 1915. Redesignated 3rd Mounted Brigade in July 1916. In the same month when this Division became the 1st Cyclist Division, was again redesignated as 3rd Cyclist Brigade. Broken up in November 1916. | ||||
| 2/1st Staffordshire Yeomanry | ||||
| 2/1st Leicestershire Yeomanry | ||||
| 2/1st Lincolnshire Yeomanry | ||||
| 2/1st Welsh Border Brigade | ||||
| Brigade joined the Division in March 1915 to replace the Welsh Border Brigade; left by July 1916. Replaced by the 2nd Mounted Brigade (formerly 2/2nd South Western Mounted Brigade). | ||||
| 2/1st Shropshire Yeomanry | ||||
| 2/1st Cheshire Yeomanry | ||||
| 2/1st Denbighshire Hussars | ||||
| 1st Mounted Brigade (formerly 2/1st Highland Mounted Brigade) | ||||
| Brigade joined the Division in May 1916 to replace the 2/1st Eastern Brigade; left by July 1916. | ||||
| 2/1st Fife and Forfar Yeomanry | ||||
| 2/1st Lovat's Scouts | ||||
| 2/2nd Lovat's Scouts | ||||
| 2nd Mounted Brigade (formerly 2/2nd South Western Mounted Brigade) | ||||
| Brigade joined the Division in May 1916 to replace the 2/1st Welsh Border Brigade. In July 1916 when this Division became the 1st Cyclist Division, was again redesignated as 1st Cyclist Brigade. Broken up in November 1916. | ||||
| 2/1st Royal 1st Devon Yeomanry | ||||
| 2/1st Royal North Devon Yeomanry | ||||
| 2/1st West Somerset Yeomanry | ||||
| Artillery: all listed are Batteries of the Royal Horse Artillery, with attached Ammunition Columns | ||||
| Essex (joined August 1914, left January 1916 and joined CCLXIV Brigade RFA. This moved to Egypt in February 1916 and joined 52nd (Lowland) Division.) | ||||
| Warwick (joined and left August 1914 with South Midland Bde) | ||||
| Berks. (joined and left August 1914 with 2nd South Midland Bde) | ||||
| Notts. (joined and left August 1914 with Notts & Derbys. Bde) | ||||
| Glamorgan (joined September 1914, left March 16 with South Wales Bde. On arrival in Egypt, joined CCXCIII Brigade RFA with the 58th (2/1st London) Division) | ||||
| Shropshire (joined September 1914, left March 16 with Welsh Border Bde. On arrival in Egypt, joined CCXCIII Brigade RFA with the 58th (2/1st London) Division) | ||||
| Leicester (joined September 1914, left October 1915 with North Midland Bde. On arrival in Egypt, joined ANZAC Divisional Artillery. In June 1917 moved to Yeomanry Mounted Division.) | ||||
| 2/1st Glamorgan (joined March 1915, left with 2/1st South Wales Bde. Became 815 Battery RFA.) | ||||
| 2/1st Leicester (joined October 1915 but was soon converted into A Battery of CCXXIII (Home Counties) Brigade RFA. Brigade transferred to 63rd (Royal Naval) Division, and redesignated CCCXVIII. Moved to France late July 1916 and redesignated back to its old number) | ||||
| 2/1 Shropshire (joined March 1915, left by July 1916. Joined CLVIII Brigade RFA when it was formed in April 1917.) | ||||
| Heavy Artillery | ||||
| 117 Heavy Battery RGA (four 60-pounder guns) (joined early 1915, left in April 1916 and moved to France, there joining XLIII Brigade RGA) | ||||
| 41 Siege Battery RGA (four 6-inch howitzers) (joined early 1915, left in December 1915 and moved to France as part of XXXIV Brigade RGA) | ||||
| 2 Devon Heavy Battery | ||||
| Signal Service, RE (in addition to Brigade Signal Troops) | ||||
| London Wireless Signal Company (left by November 1915) | ||||
| Southern Wireless Signal Company (left by March 1915) | ||||
| Scottish Cable Signal Company (left by March 1915) | ||||
| 1st Mounted Divisional Signal Squadron (joined by November 1915) | ||||
| Transport and Supply units, ASC(in addition to Brigade T&S Companies) | ||||
| 1st Mounted Divisional Company (joined August 1914) | ||||
| Other units attached to the Division (all joined August 1914, left by May 1916 unless noted below) | ||||
| 1/6th (Cyclist) Bn, the Norfolk Regiment | ||||
| 1/6th (Cyclist) Bn, the Suffolk Regiment | ||||
| 1/6th (Cyclist) Bn, the Royal Sussex Regiment | ||||
| 1/25th (County of London) Cyclist Bn, the London Regiment (left and moved to India in January 1916) | ||||
| 2/25th (County of London) Cyclist Bn, the London Regiment (joined by November 1915) | ||||
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| Divisional command | ||||
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