Berkshire Yeomanry
| Date | Unit | Higher Formation |
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| . | 345 (Berkshire Yeomanry) Medium Regiment RA (TA) | . |
| 1947.01.01 | Formed at Newbury, Berks with a bty at Windsor. Windsor bty detached to form 662 Medium Regiment which was redesignated after a short while as 346 Medium Regiment. Continuity with 145 (Berkshire Yeomanry) Field Regiment [dup of 99th]. | 90 (Fd) AGRA (TA) |
| 1950.08.16 | Absorbed 346 (Berkshire Yeomanry) Medium Regt RA without change of title | . |
| 1956.10.31 | Amalgamated with 299 (Royal Buckinghamshire Yeomanry and Queen's Own Oxfordshire Hussars) Field Regiment RA (TA) as 299 (Royal Buckinghamshire Yeomanry, Berkshire Yeomanry, and The Queen's Own Oxfordshire Hussars) Field Regiment RA (TA) | 89 (Fd) AGRA (TA) |
| 31.10.56 | 89 (Fd) AGRA (TA) redesignated HQ RA 54 (East Anglian) Div (TA) | 54 (East Anglian) Div |
| 1961.05.01 | R (Berkshire Yeomanry) Bty amalgamated with Westminster Dragoons (2nd County of London Yeomanry) as The Berkshire and Westminster Dragoons RAC | . |
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| . | 346 (Berkshire Yeomanry) Medium Regiment RA (TA) | . |
| 1.1.47 | Formed from Windsor Bty of 345 Regiment with HQ at Windsor, Berks and for a short time numbered 662 before becoming 346 (Berkshire Yeomanry) Medium Regiment | 90 (Fd) AGRA (TA) |
| 16.8.50 | Amalgamated with 345 Regiment as 345 (Berkshire Yeomanry) Medium Regiment RA (TA) | . |
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| . | Berkshire Yeomanry | . |
| 1967.04.01 | A Company (Berkshire Yeomanry), The Royal Berkshire Territorials formed at Windsor in TAVR III upon reorganisation of The Berkshire and Westminster Dragoons | . |
| 1969.04.01 | 94 (Berkshire Yeomanry) Squadron, 71 Signal Regiment, Royal Signals (V) formed with sqn HQ at Windsor and troop at Southampton upon reduction of The Royal Berkshire Territorials to cadre | . |
| 1977.03 | troop formed at Chertsey, Surrey | . |
| 1984 | The Berkshire and Westminster Dragoons redesignated Westminster Dragoons, the Berkshire element being considered to have separated | . |
| 1992 | Southampton troop transferred to RE; new troop raised at Reading | . |
| 1995.10.01 | reorganised as two squadrons: | . |
| . | D (Berkshire Yeomanry) Squadron, The Royal Yeomanry at Slough, formed by conversion of C Coy, 2nd Bn, The Wessex Regiment | . |
| . | 94 (Berkshire Yeomanry) Squadron, 71 Signal Regiment, Royal Signals, at Windsor (troops at Reading and Chertsey, Surrey) | . |
| 1996.04.01 | 94 Squadron became independent | . |
| 1999.07.01 | 94 Squadron scheduled to be regimented in 72 Signal Regiment, but not implemented | . |
| 2000.06.01 | D Squadron disbanded | . |
| 2003? | 94 Squadron transferred to 31 Signal Regiment | . |
| 2006 | 94 Squadron transferred to 39 Signal Regiment | . |
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