Question: The South Wales Borderers served in which conflict that was started on 11 October 1899 and ended on 31 May 1902?

Documents:
source: Second Boer War
text: Second Boer War The Second Boer War (Dutch: "Tweede Boerenoorlog" , Afrikaans: "Tweede Vryheidsoorlog" , "Second Freedom War"), known variously as the Boer War, Anglo-Boer War, South African War or Anglo-Boer South African War, started on 11 October 1899 and ended on 31 May 1902. Britain defeated two Boer states in South Africa: the South African Republic (Republic of Transvaal) and the Orange Free State. Britain was aided by its Cape Colony, the Colony of Natal and some native African allies. The British war effort was further supported by volunteers from the British Empire, including Southern Africa, the Australian colonies, Canada, India and New Zealand. Inside Britain and its Empire there also was significant opposition to the Second Boer War.

source: South Wales Borderers
text: South Wales Borderers The South Wales Borderers was a line infantry regiment of the British Army in existence for 280 years. It first came into existence, as the 24th Regiment of Foot in 1689. Based at Brecon the regiment recruited from the border counties of Monmouthshire, Herefordshire and Brecknockshire, but was not called the South Wales Borderers until the Childers Reforms of 1881. The regiment served in a great many conflicts, including the American Revolutionary War, various conflicts in India, the Zulu War, Second Boer War, and World War I and World War II. In 1969 the regiment was amalgamated with the Welch Regiment to form the Royal Regiment of Wales.

source: Medical treatment during the Second Boer War
text: Medical treatment during the Second Boer War The Second Boer War was fought from 11 October 1899 until 31 May 1902, between the British Empire and the two independent Boer republics of the Orange Free State and the South African Republic (Transvaal Republic). It was a lengthy war involving large numbers of troops which ended with the conversion of the Boer republics into British colonies, with a promise of limited self-government. These colonies later formed part of the Union of South Africa.

source: Drifts Crisis
text: Drifts Crisis The Drifts Crisis of 1895 was an imperial-republican confrontation in South Africa that took place in September and October 1895. It was precipitated by the closing of fords, which in South Africa were known as ‘drifts’, hence the name. The Crisis has traditionally been seen as the precursor to the Jameson Raid and the uncompromising policies of High Commissioner for Southern Africa Alfred Milner which followed, and eventually led to the Second Anglo-Boer War (9 October 1899 – 31 May 1902). Historians generally regard the conflicts to have been between the Cape Colony and the South African Republic (SAR), informally known as the Transvaal Republic.

source: Welch Regiment
text: Welch Regiment The Welch Regiment (or "The Welch", an archaic spelling of "Welsh") was an infantry regiment of the line of the British Army in existence from 1881 until 1969. The regiment was created in 1881 under the Childers Reforms by the amalgamation of the 41st (Welch) Regiment of Foot and 69th (South Lincolnshire) Regiment of Foot to form the Welsh Regiment, which it was known as until 1920 when it was renamed the Welch Regiment. In 1969 the regiment was amalgamated with the South Wales Borderers to form the Royal Regiment of Wales.

source: Royal Regiment of Wales
text: Royal Regiment of Wales The Royal Regiment of Wales (24th/41st Foot) was an infantry regiment of the British Army, part of the Prince of Wales' Division. It was formed in 1969 by the amalgamation of the South Wales Borderers and the Welch Regiment. The 1st Battalion, The Royal Regiment of Wales (24th/41st Foot) had a short existence in military terms, just over 36 years. Within two months of amalgamation, the battalion was one of the first units to be deployed to Northern Ireland.

source: South African War Memorial (South Australia)
text: South African War Memorial (South Australia) The South African War Memorial (also known as the Boer War Memorial or, prior to 1931, the National War Memorial) is an equestrian memorial dedicated to the South Australians who served in the Second Boer War of 11 October 1899 to 31 May 1902. It was the first war in which South Australians fought, and 1531 men were sent in nine contingents, with over 1500 horses to accompany them. Over 59 South Australians died in the war.

source: John Troutbeck
text: John Troutbeck John Troutbeck (12 November 1832, Blencowe, Cumberland – 11 October 1899, London) was a Minor Canon of Westminster Abbey and Chaplain in Ordinary to Queen Victoria whose renown rests on his translation of various continental choral texts including the major works of Bach. He additionally translated oratorios by Beethoven, Brahms, Dvořák, Gounod, Liszt, Saint-Saëns, Schumann and Weber, as well as operas by Mozart, Gluck and Wagner. Troutbeck was born at Blencowe, Cumberland, in England, on 12 November 1832, and died on 11 October 1899, at Westminster, London. He is interred in the cloisters in Westminster Abbey.

source: List of battalions of the South Wales Borderers
text: List of battalions of the South Wales Borderers This is a list of battalions of the South Wales Borderers.

source: South Wales Borderers Museum
text: South Wales Borderers Museum The South Wales Borderers Museum, is the former name of the Regimental Museum of The Royal Welsh. It is located at Brecon in Wales. The museum's collection is made up of artefacts collected from a variety of sources from around the world and which display the regiment's 300-year history.

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Answer: Second Boer War