September 29, 2005 - Hamm announces his retirement, effective upon the election of a new leader.
October 15, 2005 - The PC Party announces that the leadership vote will be held on February 11, 2006 with a delegated convention as opposed to the one member one vote system used in the previous race.
October 26, 2005 - Bill Black becomes the first candidate to officially enter the race.
October 28, 2005 - Neil LeBlanc becomes the second candidate to officially enter the race.
November 4, 2005 - Rodney MacDonald becomes the third candidate to officially enter the race.
December 27, 2005 - Membership cutoff date.
January 7, 2006 - Delegate selection period begins.
February 11, 2006 - Leadership convention held in Halifax. Rodney MacDonald wins on 2nd ballot with support from Neil LeBlanc.
February 24, 2006 - MacDonald sworn in as 32nd Premier of Nova Scotia.
The following individuals were the subject of media speculation about running or themselves indicated they were considering a run but eventually opted against.