| Creation of the Territorial Force | ||
| 1908: | 7th Battalion, The Duke of Wellington’s (West Riding Regiment) (TF) |
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| 1914/ 1918: |
1/7th Battalion, 2/7th Battalion, 3/7th Battalion, The Duke of Wellington’s (West Riding Regiment) │ |
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| Creation of the Territorial Army | ||
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| 1921: | 7th Battalion, The Duke of Wellington’s Regiment (West Riding) (TA) │ |
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| 1939: | 1/7th Battalion, The Duke of Wellington’s Regiment (West Riding) │ |
2/7th Battalion, The Duke of Wellington’s Regiment (West Riding) │ |
| 1942: | │ │ |
115th Regiment, Royal Armoured Corps |
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| 1943: | 7th Battalion, The Duke of Wellington’s Regiment (West Riding) │ |
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| 1944: | │ │ │ │ |
12th Battalion, The Duke of Wellington’s Regiment (West Riding) |
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| Resurrection of the Territorial Army | ||
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| 1947: | 7th Battalion, The Duke of Wellington’s Regiment (West Riding) (TA) │ │ |
disbanded |
| 1957: | 5th/7th Battalion, The Duke of Wellington’s Regiment (West Riding) │ |
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| 1961: | merged into The West Riding Battalion, The Duke of Wellington’s Regiment (West Riding) |
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