The regiment that the 6th Battalion, Ulster Defence Regiment grouped into had who as their oldest predecessor?
Royal Irish Regiment (1992) The Royal Irish Regiment (27th (Inniskilling) 83rd and 87th and Ulster Defence Regiment) (R IRISH) is an infantry regiment of the British Army. The regiment was founded in 1992 through the amalgamation of the Royal Irish Rangers and the Ulster Defence Regiment. Their oldest predecessor; the 27th Regiment of Foot; was first raised in June 1689 to fight in the Williamite War in Ireland. Other notable regiments in their lineage include the Royal Inniskilling Fusiliers, Royal Irish Rifles and the Royal Irish Fusiliers (Princess Victoria's).
The Rangers (British regiment) The Rangers was a volunteer unit of the British Army, originally formed in 1860. It provided a detachment for service in the Second Boer War, saw intensive action on the Western Front in the First World War (including the Battles of the Somme and Passchendaele), and served as motorised infantry during the Second World War during the campaigns in Greece and the Western Desert.