3rd session of the 45th Parliament of the United Kingdom
31 October 1972 - 25 October 1973
Parliament: 45th
Citation by calendar years: 1972-73
Citation by regnal years: 21 & 22 Eliz. 2
Wikidata ID: Q108991045
Regnal years
| Regnal year | Start date | End date |
| 21 Eliz. 2 | 6 February 1972 | 5 February 1973 |
| 22 Eliz. 2 | 6 February 1973 | 5 February 1974 |