21st Division 1914-18...a divisional history

Battalions and Units of the Division 1914-18

 

 

 

 

62nd Brigade

12th (Service) Bn , the Northumberland Fusiliers (joined September 1914)

13th (Service) Bn , the Northumberland Fusiliers (joined September 1914)

3/4th Bn (TF), the Queen's (joined 9 August 1917)

1st Bn, the Lincolns (joined November 1915)

2nd Bn, the Lincolns (joined February 1918)

8th (Service) Bn, the East Yorkshires(joined September 1914, left November 1915)

10th (Service) Bn, the Yorkshire (joined October 1914,disbanded February 1918)

62nd Brigade Machine Gun Company (joined on 4 March 1916, moved into 21 MG Bn 24 February 1918)

62nd Trench Mortar Battery (formed by 16 June 1916)

 

63rd Brigade

8 July 1916 : the Brigade was transferred to 37th Division

8th (Service) Bn, the Lincolns (joined September 1914)

8th (Service) Bn, the Somerset Light Infantry (joined October 1914)

12th (Service) Bn, the West Yorkshires(joined September 1914, left November 1915)

4th Bn, the Middlesex (joined November 1915, left July 1916)

10th (Service) Bn, the York and Lancaster (joined October 1914, left July 1916)

63rd Brigade Machine Gun Company (joined on 4 March 1916, left July 1916)

63rd Trench Mortar Battery (formed by 16 June 1916, left July 1916)

 

64th Brigade

1st Bn, the East Yorkshires(joined November 1915)

2nd Bn, the South Lancashire (joined June 1918, left same month)

9th (Service) Bn, the Kings Own Yorkshire Light Infantry (joined October 1914)

10th (Service) Bn, the Kings Own Yorkshire Light Infantry (joined October 1914, disbanded February 1918)

14th (Service) Bn, the Durham Light Infantry (joined September 1914, left November 1915)

15th (Service) Bn, the Durham Light Infantry (joined September 1914)

64th Brigade Machine Gun Company (joined on 4 March 1916, moved into 21 MG Bn 24 February 1918)

64th Trench Mortar Battery (formed by 19 June 1916)

 

110th Brigade

7 July 1916 : Brigade transferred from 37th Division

6th (Service) Bn, the Leicesters

7th (Service) Bn, the Leicesters

8th (Service) Bn, the Leicesters (left June 1918)

9th (Service) Bn, the Leicesters (disbanded February 1918)

1st Bn, the Wiltshires (joined June 1918)

110th Brigade Machine Gun Company (joined with Brigade, moved into 21 MG Bn 24 February 1918)

110th Trench Mortar Battery (joined with Brigade)

 

Divisional Troops

14th (Service) Bn , the Northumberland Fusiliers (joined September 1914, became Pioneers January 1915)

13th (Service) Bn, the King's Royal Rifle Corps (joined October 1914, left April 1915)

13th (Service) Bn, the Rifle Brigade (joined October 1914, left April 1915)

237th Machine Gun Company (joined 17 July 1917, moved into 21 MGBn 24 February 1918)

No 21 Machine Gun Battalion (created 24 February 1918)

 

Divisional Mounted Troops

A Squadron , the South Irish Horse (joined January 1915, left May 1916)

21st Divisional Cyclist Company (formed in February 1915, left 10 May 1916)

 

Divisional Artillery

XCIV Brigade, RFA

XCV Brigade, RFA

XCVI Brigade, RFA (broken up 13 January 1917)

XCVII (H) Brigade, RFA (broken up 28-31 August 1916)

21st Heavy Battery, RGA (a Battery of 4 60-lbr guns raised with the Division but moved to XXII Heavy Artillery Brigade on formation)

21st Divisional Ammunition Column

V.21 Heavy Trench Mortar Battery RFA (joined 1 June 1916, transferred to Corps Troops February 1918)

X.21, Y.21 and Z.21 Medium Mortar Batteries RFA (joined by 1-13 March 1916; in February 1918, Z broken up and batteries reorganised to have 6 x 6-inch weapons each)

 

Engineer Units

85th Field Company (joined Sep 1914, left Jan 1915)

86th Field Company (joined Sep 1914, left Feb 1915)

97th Field Company (joined Jan 1915)

98th Field Company (joined Jan 1915)

126th Field Company (joined Mar 1915)

94th Field Company (joined Jan 15)

21st Divisional Signal Company (joined Sep 1914)

 

Field Ambulances

63rd Field Ambulance (joined Oct 1914)

64th Field Ambulance (joined Oct 1914)

65th Field Ambulance (joined Oct 1914)

 

21st Divisional Train ASC (182, 183, 184 and 185 Coys ASC joined November 1914)

222nd Divisional Employment Company (joined 30 June 1917)

33rd Mobile Veterinary Section (joined early 1915)

38th Sanitary Section ( left 1 April 1917)

21st Divisional Motor Ambulance Workshop (broken up in April 1916)