Premiership of Justin Trudeau with Canada, a change of government isn’t going to lead to the contract being ripped up." Premiership of Justin Trudeau The premiership of Justin Trudeau began on November 4, 2015, when the first Cabinet headed by Justin Trudeau was sworn in by Governor General David Johnston. Trudeau was invited to form the 29th Canadian Ministry and become Prime Minister of Canada following the 2015 election, where Trudeau's Liberal Party won a majority of the seats in the House of Commons of Canada, leading to the resignation of Conservative Prime Minister Stephen Harper. Trudeau has promised to decentralize power from the
Justin Trudeau Trudeau supported the Liberal Party from a young age, offering his support to party leader John Turner in the 1988 federal election. Two years later, he defended Canadian federalism at a student event at the Collège Jean-de-Brébeuf, an elite high school which he attended. Following his father's death, Trudeau became more involved with the Liberal Party throughout the 2000s. Along with Olympian Charmaine Crooks, he co-hosted a tribute to outgoing prime minister Jean Chrétien at the party's 2003 leadership convention, and was appointed to chair a task force on youth renewal after the party's defeat in the 2006 federal election.