Devon Yeomanry
| Date | Unit | Higher Formation |
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| . | 296 (Royal Devon Yeomanry) Field Regiment RA (TA) | . |
| 1.1.47 | Reconstituted in TA with HQ at Exeter, Devon: Continuity with 96 (Royal Devon Yeomanry) Field Regiment | 43 (WX) Inf Div |
| 1.7.50 | Amalgamated with 342 Regiment as 296 Regiment | . |
| 1.5.61(LG1.4. 61) | Amalgamated with 256 (less P Bty) Regiment to form 296 Regiment | . |
| 4.10.61 | Redesignated 296 (Royal Devon Yeomanry) Regiment RA (TA) | . |
| 18.3.64 | Redesignated 296 (Royal Devon Yeomanry) Field Regiment RA (TA) | . |
| 1967.04.01 | Disbanded and concurrently reconstituted as The Devonshire Territorials (Royal Devon Yeomanry/1st Rifle Volunteers)(Territorials) in TAVR III | . |
| 1969.01.01 | Reduced to cadre | . |
| 1971.04.01 | D (Royal Devon Yeomanry/1st Rifle Volunteers) Squadron, Wessex Yeomanry formed at Barnstaple as Home Defence Infantry | Wessex Yeomanry |
| 1974.04.16 | Subtitle changed to Royal Devon Yeomanry | . |
| 1979.06.08 | Regiment redesignated The Royal Wessex Yeomanry | The Royal Wessex Yeomanry |
| 1983.04.01 | Converted to Light Reconnaissance Home Defence role as part of the Royal Armoured Corps | . |
| 1999.07.01 | Regiment reorganised as result of the Strategic Defence Review | . |
| . | D (Royal Devon Yeomanry) Squadron at Barnstaple with 4 Troop formed at Paignton from elements 4th (V) Battalion, The Devonshire and Dorset Regiment | The Royal Wessex Yeomanry |
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| . | 342 (Royal Devonshire Yeomanry) Medium Regiment RA (TA) | . |
| 1.1.47 | Reconstituted in TA with HQ at Bideford, Devon: Continuity with 142 (Royal Devon Yeomanry) Field Regiment [dup of 96th] | 91 (Fd) AGRA (TA) |
| 1.7.50 | Amalgamated with 296 Regiment as 296 Regiment | . |
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