Yorkshire District Column RASC (TA)
| Date | Unit | Sub-units/Remarks |
| . | . | . |
| . | Yorkshire District Column RASC (TA) | . |
| 1961.03.06 | 49 (WR & M) Divisional Column was redesignated Yorkshire District Column RASC (TA). HQ at Harewood Barracks, Leeds | . |
| 1961 | 519 Company (Infantry Brigade Company), 520 Company (Motor Ambulance Company) at Leeds and 521 MT Company at Leeds. Newcomers to the unit will be two platoons of WRAC posted to each of 520 and 521 Companies | 519, 520, 521 Companies |
| 1961.06 | Annual Camp at Castlemartin, in South Wales | . |
| 1962.06 | Annual Camp at Blackfell, Co. Durham | . |
| Early 1963 | Column Headquarters and 520 and 521 Companies moved into new Harewood Barracks | . |
| 1963.07 | Annual Camp at Milton Bridge, Edinburgh | . |
| 1965 | Column is to be split three ways for Annual Camp this year, Elements will fly to Germany early in May to put in two weeks training with Regular RASC Units in B.A.O.R. 519 Company will camp with its Brigade at Stanford P.T.A., Norfolk, and the remainder will be at Washington, Co. Durham in June. | . |
| c1965 | Yorkshire District Column RASC (TA) | . |
| 1965.07.15 | Redesignated 66 (Yorkshire) Regiment RCT (TA) | . |
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