Tony Blair was Prime Minister of the United Kingdom.
Tony Blair . In May 1997 , the Labour Party won a landslide general election victory , the largest in its history , allowing Blair , at 43 years old , to become the youngest Prime Minister since 1812 . The United Kingdom general election of 1997 was held on 1 May 1997 , five years after the previous election on 9 April 1992 , to elect 659 members to the British House of Commons .