1st session of the 55th Parliament of the United Kingdom
18 May 2010 - 1 May 2012
| Parliament | 55th |
| Citation by calendar years | 2010-12 |
| Citation by regnal years | 59, 60 & 61 Eliz. 2 |
| Wikidata ID | Q108990992 |
Regnal years
| Regnal year | Start date | End date |
| 59 Eliz. 2 | 6 February 2010 | 5 February 2011 |
| 60 Eliz. 2 | 6 February 2011 | 5 February 2012 |
| 61 Eliz. 2 | 6 February 2012 | 5 February 2013 |