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| Premiership of Stephen Harper February 6, 2006 – November 4, 2015 | |
| Monarch | Elizabeth II |
|---|---|
| Cabinet | 28th Canadian Ministry |
| Party | Conservative |
| Election | |
| Appointed by | Michaëlle Jean |
| Seat | Office of the Prime Minister |
| Constituency | Calgary Southwest |
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The premiership of Stephen Harper began on February 6, 2006, when the first Cabinet headed by Stephen Harper was sworn in by Governor General Michaelle Jean. Harper was invited to form the 28th Canadian Ministry and become Prime Minister of Canada following the 2006 federal election, where Harper led his Conservative Party to win a plurality of seats in the House of Commons of Canada, defeating the Liberal government of Prime Minister Paul Martin. Harper led his Conservatives to win a larger minority government in 2008, and then a majority government in 2011. In the 2015 federal election, Harper's Conservatives lost power to a Liberal majority government led by Justin Trudeau.