Tony Blair took over as Labour leader from John Smith, who had succeeded Neil Kinnock as Labour leader following Labour's election defeat in 1992. Smith was never Prime Minister, since the Conservatives were in power at the time- he was Leader of the Opposition, and died in 1994. The Deputy leader Margaret Beckett held the post for a year, before Blair was elected as Labour Party leader in '95.
Tony Blair
Yes. Tony Blair was the leader of the Labour Party and Prime Minister in 1998.
Tony Blair and Gordon Brown.
Labor Party leader and Leader of the Opposition
The party elects a new leader who is then the new prime minister. As happened when Blair resigned.
Tony Blair was elected leader of the Labour party in 1994 after the sudden death of the previous leader John Smith the Conservative Party had been in power for 15 years at that time and was very unpopular so it was highly likely that whoever won the leadership election would become Prime Minister in due course. This was the case and Labour won the General Election in May 1997 and Blair as their leader became Prime Minister. It is alleged that there was a pact between Gordon Brown and Blair that Brown would not contest the leadership election in return for influence and on condition that Blair would eventually resign so that Brown could take over. This is sometimes called the Granita pact after the restaurant where the deal was allegedly made.
Gordon Brown became Prime Minister of the United Kingdom in 2007, after winning the leadership election in the Labour party (the current ruling party in the country). He has not yet fought a general election as Prime Minister and leader of the Labour party.
Curtin was of the Labor party when he became prime minister.
Once the Labor Party had reorganised their Cabinet he became the Minister for Foreign Affairs.
Ramsay MacDonald Clement Attlee Harold Wilson James Callahan Tony Blair Gordon Brown
He was part of the house of representatives, then the leader of the Labor party when he then became Prime Minister in 1983, only after 2 years in parliament.
Robert Walpole is considered the first Prime Minister, serving from 1721 to 1742. It took many years before the position was officially recognised, or even named, as it was often called "First Minister" or something similar. In 1906, Henry Campbell-Bannerman became the first Prime Minister to use it as a title.