1836-1908. British Liberal politician, prime minister 1905-08. It was during his term of office that the South African colonies achieved self-government, and the Trades Disputes Act 1906 was passed. Campbell-Bannerman, born in Glasgow, was chief secretary for Ireland 1884-85, war minister 1886 and again 1892-95, and leader of the Liberals in the House of Commons from 1899. In 1905 he became prime minister and led the Liberals to an overwhelming electoral victory 1906. He began the conflict between Commons and Lords that led to the Parliament Act of 1911. He resigned 1908.