| 15 Nov 1859 |
1st Nottinghamshire (Robin Hood) Rifle Volunteer Corps formed at Nottingham |
| 1 Jul 1881 |
Volunteer Battalion [3rd] of The Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) - ten companies at Nottingham |
| Dec 1891 |
1st Nottinghamshire (Robin Hood) Volunteer Rifle Corps |
| 1895 |
twelfth company formed |
| 1896 |
eleventh company formed |
| 1900-1901 |
increased to eighteen companies (including two cyclist), and divided into double-battalion |
| 1 Apr 1908 |
reorganised as 7th Battalion, The Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) in Territorial Force with HQ at Nottingham |
| Mar 1909 |
7th (Robin Hood) Battalion, The Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) - assigned secondary title to link with recruitment area |
| 5 Aug 1914 |
mobilised |
| 14 Sep 1914 |
2/7th (Robin Hood) Battalion formed at Nottingham as a second line unit |
| 15 Jan 1915 |
reorganisation from eight company to four company formations |
| 31 Jan 1918 |
1/7th Bn absorbed 2/7th Bn; renamed 7th Bn |
| 7 May 1918 |
Battalion reduced to cadre |
| 4 Jun 1919 |
disbanded |
| 7 Feb 1920 |
7th (Robin Hood) Battalion, The Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) reconstituted in Territorial Army |
