Berlusconi was Prime Minister for nine years in total, making him the longest serving post-war Prime Minister of Italy, and the third longest-serving since Italian unification, after Benito Mussolini and Giovanni Giolitti. He was the leader of the centre-right party Forza Italia from 1994 to 2009, and its successor party The People of Freedom from 2009 to 2013. Since November 2013, he has led a revived Forza Italia. Berlusconi was the senior G8 leader from 2009 until 2011 and he currently holds the record for hosting G8 Summits (having hosted three Summits in Italy). After serving nearly 19 years as a member of the Chamber of Deputies, Italy's lower house, after the 2013 general election he became a member of the Senate.