Pat Duncan (born April 8, 1960) was Premier of Yukon from 2000 until 2002 when her government was defeated in a snap election called by Duncan in an attempt to solidify the Liberal government's position in the legislature after a series of defections. The election, instead, reduced the Liberals to third party status with Duncan as the sole MLA. The Premier of Yukon (alternately, the Premier of the Yukon) is the first minister for the Canadian territory of Yukon. ... In the Westminster parliamentary system a snap election is an early election called when the Prime Minister (or Premier) dissolves the legislature mid-way in a governments mandate. ... The Yukon Liberal Party is a political party in the Yukon Territory in Canada. ... In any two-party system of politics, a third party is a party other than the two dominant ones. ... This article is about the term as used within the Commonwealth of Nations; there is also an Legislative Assembly in Oregon and there used to be a Legislative Assembly in France during the French Revolution. ...

Prior to getting into elected politics, Duncan, who was born in Edmonton, Alberta but raised in Whitehorse, Yukon from the age of four, served as an aide to Progressive Conservative deputy prime minister Erik Nielsen in the mid-80s, until Nielsen's retirement in 1987.

Duncan was first elected to the legislature in 1996 after serving as executive director of the Whitehorse Chamber of Commerce. She was elected to represent Porter Creek South shortly after the birth of second child, son Craig Berube. Her party initially won a majority government in 2000 but was reduced to a minority in early 2002 when three Liberal MLAs crossed the floor to sit as independents after complaining of Premier Duncan's "secretive and dictatorial" leadership style. In the Westminster System, a majority government is one in which the government enjoys an absolute majority of seats in the legislature or Parliament. ... A minority government or a minority cabinet is a cabinet of a parliamentary system formed when no political party has won a majority of seats in the parliament, typically by the party that does have a plurality. ... In politics, crossing the floor is to vote against party lines. ...

Duncan remained leader of the Yukon Liberals until June 4, 2005 when she was defeated by Arthur Mitchell by a margin of 357 votes to 303 at the party's leadership convention. After the Liberals became the Official Opposition early in May 2006[1], she became Opposition House Leader.[2] June 4 is the 155th day of the year in the Gregorian calendar (156th in leap years), with 210 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... Arthur Mitchell is the leader of the Yukon Liberal Party. ... In Canadian politics, a leadership convention is held by a political party when the party needs to choose a leader due to a vacancy or a challenge to the incumbent leader. ...

Prior to the October 10, 2006 general election, Duncan, who had been diagnosed with Multiple Sclerosis, announced she would not be running for a fourth term as the MLA for the Whitehorse riding of Porter Creek South.