6th Battalion, Ulster Defence Regiment was amalgamated to form part of what army?
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).
46th Battalion (Australia) The 46th Battalion was an infantry battalion of the Australian Army. Originally raised in 1916 for service during the First World War, the battalion served on the Western Front before being disbanded in 1919. It was re-raised as a part-time unit of the Citizens Forces in 1921 and in 1927 adopted the title of the "Brighton Rifles", before becoming part of the Militia in 1929. During the Second World War the 46th served in a garrison role before being amalgamated with the 29th Battalion in August 1942 to form the 29th/46th Battalion.