1st session of the 9th Parliament of the United Kingdom
26 October 1830 - 22 April 1831
| Parliament | 9th |
| Citation by calendar years | 1830-31 |
| Citation by regnal years | 1 Will. 4 |
| Wikidata ID | Q108997760 |
Regnal years
| Regnal year | Start date | End date |
| 1 Will. 4 | 26 June 1830 | 25 June 1831 |