Yukon Progressive Conservative Party was created in 1978.
Yukon Progressive Conservative Party ended in 1992.
Yukon Party was created in 1991.
Yukon Liberal Party was created in 1898.
You need to clarify your question before it can be answered. PC can stand for Progressive Conservative or Privy Council, politically. The federal PC Party is now known as the Conservative Party of Canada (CPC) and its leader is the Prime Minister of Canada, Steven Harper. Most Provinces has their own PC or Conservative Party and a simple search of the Internet will tell you the leaders for each province. According to Wikipedia, there is no PC Party in Saskatchewan & in the Yukon Territory it was renamed the Yukon Party
Yukon New Democratic Party was created in 1978.
Yukon Green Party was created on 2011-02-28.
Yukon Blonde was created in 2005.
Yukon News was created in 1960.
Yukon Quest was created in 1984.
Yukon College was created in 1983.
Perils of the Yukon was created in 1922.
Summer in the Yukon was created in 1992.