Berkshire and Westminster Dragoons
| Date | Unit | Higher Formation |
| . | . | . |
| . | . | . |
| . | The Berkshire and Westminster Dragoons | . |
| 1961.05.01 | Formed by amalgamation of R (Berkshire Yeomanry) Battery from 299 (Royal Buckinghamshire Yeomanry, Berkshire Yeomanry, and The Queen's Own Oxfordshire Hussars) Field Regiment RA, and The Westminster Dragoons (2nd County of London Yeomanry) | . |
| . | A Squadron in London | . |
| . | B Squadron in London | . |
| . | C (Berkshire Yeomanry) Squadron at Windsor and Newbury | . |
| 1967.04.01 | Disbanded and concurrently reconstituted as two units: | . |
| . | HQ (Berkshire and Westminster Dragoons) Squadron, The Royal Yeomanry Regiment in TAVR II at Chelsea, London | . |
| . | A Company (Berkshire Yeomanry), The Royal Berkshire Territorials in TAVR III at Windsor | . |
| 1969.01.01 | TAVR III element reduced to cadre, less A Company reorganised as 94 (Berkshire Yeomanry) Squadron, 71 Signal Regiment, Royal Signals, thereby effectively breaking up the regiment [see also Westminster Dragoons] | . |
| 1973.10.08 | HQ Squadron subtitled (Berkshire and Westminster Dragoons) | . |
| 1984 | HQ Squadron rebadged as Westminster Dragoons and subtitled (Westminster Dragoons) | . |
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