18th Parliament of the United Kingdom
31 May 1859 - 6 July 1865
Wikidata ID: Q21084435
Sessions
| Session | Start date | End date | Citation by calendar years | Citation by regnal years |
| 1st | 31 May 1859 | 13 August 1859 | 1859-59 Session II | 22 & 23 Vict. |
| 2nd | 24 January 1860 | 28 August 1860 | 1860-60 | 23 & 24 Vict. |
| 3rd | 5 February 1861 | 6 August 1861 | 1861-61 | 24 & 25 Vict. |
| 4th | 6 February 1862 | 7 August 1862 | 1862-62 | 25 & 26 Vict. |
| 5th | 5 February 1863 | 28 July 1863 | 1863-63 | 26 & 27 Vict. |
| 6th | 4 February 1864 | 29 July 1864 | 1864-64 | 27 & 28 Vict. |
| 7th | 7 February 1865 | 6 July 1865 | 1865-65 | 28 & 29 Vict. |