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Wikipedia Overview

The Advance on Pretoria was a military operation during the Second Boer War. From May–June 1900, Lord Roberts and his force began a strategic offensive from Bloemfontein to Pretoria, with the goal of capturing Pretoria, the capital of the South African Republic (Transvaal) in hopes of ending the war, and forcing the Boers into surrendering. After the clearing of the South East of the Orange Free State, Lord Roberts began his offensive on 3 May 1900, gathering a force around 40,000-50,000 strong. The Army formed three lines of advance. On the far left, a force commanded by Lord Methuen advanced from Boshof, in the center, Lord Roberts led the main army up the railway from Bloemfontein to Pretoria, and on the right, Redvers Buller led an army up through Northern Natal from Ladysmith to Pretoria. The military operation was a success, with British Forces entering Pretoria on 5 June, and the Boers surrendering the capital shortly after. On 8 June, the country was annexed, and formed into the Transvaal Colony in 1902. Methuen managed to clear the Orange Free State, and had a force relieve Mafeking whilst doing so.