William Hague was leader of the Conservative party from June 1997 to September 2001. As the Conservatives were not in power during this period, he never served as Prime Minister.
William Hague
William Hague, former leader of the Conservative Party, wrote a biography on William Wilberforce titled "William Wilberforce: The Life of the Great Anti-Slave Trade Campaigner."
He is leader of the UK Conservative party.
He was the leader of the Liberal-Conservative Party.
Steven Haper was never leader of the conservative party. It's current leader is Stephen Joseph Harper, and he became leader of the conservative party on January 12, 2004
Margaret Thatcher became Leader of the Conservative Party on the 11th February 1975.
He has always been the leader of the Conservative Party of Canada, since its creation in 2003 to present.
The (British) Conservative Party
Conservative.
Benjamin disraeli
David Swann, leader of the Liberals
Stephan Harper > Conservative Party