| Brecknockshire Militia Royal Brecknockshire Rifles Royal South Wales Borderers Militia 3rd (Reserve) Bn, South Wales Borderers | |
|---|---|
| Active | 1661–1953 |
| Country |  England (1661–1707) Kingdom of Great Britain (1707–1800) United Kingdom (1801–1953) |
| Branch |  Militia/Special Reserve |
| Role | Infantry |
| Size | 1 Battalion |
| Part of | South Wales Borderers |
| Garrison/HQ | The Barracks, Brecon |
| Engagements | Second Boer War |
The Brecknockshire Militia, later the Royal Brecknockshire Rifles, was an auxiliary[a] regiment reorganised from earlier precursor units in the Welsh county of Brecknockshire during the 17th Century. Primarily intended for home defence, it served in Britain and Ireland through all Britain's major wars. After a series of shortlived mergers it was finally amalgamated into the Royal South Wales Borderers Militia in 1876. This regiment's title and headquarters at Brecon were adopted in 1881 when the South Wales Borderers (SWB) was formed as the local regiment of the Regular Army. The battalion saw active service during the Second Boer War. It became at Special Reserve battalion of the SWB and trained thousands of recruits for the fighting battalions of the regiment during World War I. After 1921 the militia had only a shadowy existence until its final abolition in 1953.
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