Prime Minister of the United Kingdom century as a convention of the constitution, the position of Leader of the Opposition was given statutory recognition in 1937 by the Ministers of the Crown Act. British Prime Ministers have never been elected directly by the public. A Prime Minister need not be a party leader; David Lloyd George was not a party leader during his service as prime Minister during World War I, and neither was Ramsay MacDonald from 1931 to 1935. Prime Ministers have taken office because they were members of either the Commons or Lords, and either inherited a majority in the Commons or won more
Premiership of Gordon Brown the largest number of seats. Brown remained as Prime Minister while the Liberal Democrats entered separate negotiations with Labour and the Conservatives with a view to forming a coalition government. He announced his intention to resign on 10 May 2010 to help broker a Labour-Liberal Democrat deal. However, this became increasingly unlikely and on 11 May, Brown announced his resignation as Prime Minister and as Leader of the Labour Party. On 11 May 2007, after months of speculation, Gordon Brown formally announced his bid for the Labour leadership and replaced Tony Blair as Prime Minister on 27 June 2007. On