4th session of the 50th Parliament of the United Kingdom
7 November 1990 - 22 October 1991
| Parliament | 50th |
| Citation by calendar years | 1990-91 |
| Citation by regnal years | 39 & 40 Eliz. 2 |
| Wikidata ID | Q108991014 |
Regnal years
| Regnal year | Start date | End date |
| 39 Eliz. 2 | 6 February 1990 | 5 February 1991 |
| 40 Eliz. 2 | 6 February 1991 | 5 February 1992 |