- Source: 1st Brigade (Ireland)
- Perang Dunia I
- Negara Islam Irak dan Syam
- Pangeran Arthur, Adipati Connaught dan Strathearn
- Putri Margaret dari Snowdon
- Daftar tokoh Inggris
- Perang Saudara Inggris
- Keluarga Babington
- Belgia pada Perang Dunia II
- 1st Brigade (Ireland)
- Irish Brigade (Union army)
- 38th (Irish) Brigade
- 1st Independent Parachute Brigade (Poland)
- Irish Brigade (France)
- 103rd (Tyneside Irish) Brigade
- 1st Armoured Infantry Brigade (United Kingdom)
- 2nd Brigade Combat Team, 1st Infantry Division
- 1st Armored Division (United States)
- Boys' Brigade
The 1st Brigade (1 BDE) (Irish: 1ú Briogáid) is a brigade of the Irish Army. The brigade, which was known as 1st (Southern) Brigade until the 2012 reorganisation of the army, has its headquarters in Collins Barracks in Cork. The 1st Brigade is responsible for military operations in the south of Ireland. Its area of responsibility includes the counties of Galway, Offaly, Laois, Carlow, Kilkenny, Wexford, Waterford, Cork, Kerry, Limerick and Tipperary.
It is also responsible for the security of a number of "vital installations" including civil transport infrastructure sites such as Cork Harbour, Cork Airport, Shannon Airport and Farranfore Airport.
Units
Brigade HQ - Collins Barracks, Cork
1st Infantry Battalion (Galway)
3rd Infantry Battalion (Kilkenny)
12th Infantry Battalion (Limerick)
1st Artillery Regiment (Cork)
1st Cavalry Squadron (Cork)
1st Communication and Information Services Company (Cork)
1st Engineer Group (Cork)
1st Supply & Transport Group (Cork)
1st Ordnance Group (Cork)
1st Military Police Company (Cork)
Army No. 2 Band
Barracks
Collins Barracks, Cork
Sarsfield Barracks, Limerick
Stephens Barracks, Kilkenny
Dún Uí Mhaoilíosa, Galway
Training facilities
Lynch Camp, Kilworth
Bere Island, Cork
Fort Davis, Cork
Carnagh Camp, Athlone