Premiership of Tony Blair Premiership of Tony Blair The premiership of Tony Blair began on 2 May 1997 and ended upon his resignation on 27 June 2007. Whilst serving as Prime Minister of the United Kingdom, Tony Blair concurrently served as the First Lord of the Treasury, the Minister for the Civil Service, the Leader of the Labour Party (until Gordon Brown was declared Labour leader on 24 June 2007) and the Member of Parliament for Sedgefield. He remains a Privy Counsellor, having first been appointed in July 1994 when he became Leader of the Opposition. Blair is the Labour Party's longest-serving Prime Minister,
Caernarfon (UK Parliament constituency) in 2010. Known as Carnarvon until 1832, and then as the Carnarvon Boroughs or Carnarvon District of Boroughs from 1832 to 1950 and as Caernarvon from 1950 to 1983, it is named after Caernarfon, the main town within the constituency. Its most famous member was David Lloyd George, who was MP for 55 years. When Lloyd George became prime minister in 1916 it became the first Welsh constituency to be represented by a serving prime minister. Plaid Cymru held the seat continuously from 1974 until its abolition in 2010, longer than they have held any other seat. The constituency names,