| Kingdom of Great Britain | |||
| 1755: | 55rd Regiment of Foot │ |
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| 1757: | 53rd Regiment of Foot │ |
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│ │ |
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| 1782: | 53rd (Shropshire) Regiment of Foot │ |
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| 1793: | │ │ |
85th Regiment of Foot │ |
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| 1800: | │ │ |
2nd Bn raised │ |
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| 1801: | United Kingdom of Great Britain and Ireland | ||
| │ | │ | ||
| 1802: | │ │ |
2nd Bn disbanded │ |
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| 1802: | │ │ │ |
85th (Bucks Volunteers) Regiment of Foot │ |
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| 1803: | 2nd Bn raised │ |
│ │ |
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| 1808: | │ │ │ │ |
85th (Bucks Volunteers) Regiment of Foot (Light Infantry) │ |
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| 1817: | 2nd Bn disbanded │ |
│ │ |
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| 1821: | │ │ │ │ |
85th (or The Duke of York’s Own) Regiment of Light Infantry (Bucks Volunteers) │ |
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| 1827: | │ │ │ │ |
85th, or The King’s Regiment of Light Infantry (Bucks Volunteers) │ |
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| The creation of the territorial regiments by the Childers reforms | |||
| │ | │ | ||
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| 1881: | 1st Bn, | 2nd Bn, | |
| The Shropshire Regiment (King’s Light Infantry) │ |
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| The King’s Light Infantry (Shropshire Regiment) |
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| 1882: | The King’s (Shropshire Light Infantry) │ |
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| 1920: | The King’s Shropshire Light Infantry │ │ |
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| 1922: | United Kingdom of Great Britain and Northern Ireland | ||
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| 1948: | 2nd Bn disbanded │ |
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| 1948: |
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| 1958: |  │ |
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| 1968: | 3rd Battalion, The Light Infantry |
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| 1993: | 2nd Battalion, The Light Infantry │ |
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| 2007: | 3rd Battalion, The Rifles |
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| 2023: |  │ |
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