Tony Blair was a British politician who served as the Prime Minister of the United Kingdom from 1997 to 2007. He was the leader of the Labour Party from 1994 to 2007 and is the longest-serving Labour Prime Minister in history. During his time in office, he oversaw the devolution of power to Scotland, Wales and Northern Ireland, as well as the introduction of the National Minimum Wage. He also played a key role in the Northern Ireland peace process.