• December 12, 2008:
Calgary-Mountain View MLA
David Swann wins the Leadership of the
Alberta Liberals replacing
Kevin Taft. • May 15, 2009: Calgary-Glenmore MLA
Ron Stevens resigns to accept a judgeship. • July 16, 2009: The
Alberta Greens is deregistered by
Elections Alberta. • July 18, 2009:
Fort McMurray-Wood Buffalo MLA
Guy Boutilier is removed from the Progressive Conservative caucus. • August 29, 2009:
Robert Leddy is chosen as the interim leader of the Alberta Party replacing Bruce Stubbs. • September 14, 2009: A
by-election in
Calgary-Glenmore elects Wildrose Alliance interim leader
Paul Hinman. • October 17, 2009: The Wildrose Alliance selects
Danielle Smith to replace
Paul Hinman as leader in a
convention in Edmonton. • November 7, 2009: A
leadership review of Premier Ed Stelmach is held at a PC convention in Edmonton. He garners 77.4% support. • January 4, 2010: MLAs
Rob Anderson and
Heather Forsyth defect from the PC to the Wildrose Alliance. • January 28, 2010:
Edwin Erickson is acclaimed as leader of the
Alberta Party replacing Robert Leddy. • February 24, 2010: Alberta Boundaries Commission releases its interim report on new provincial boundaries. • April 12, 2010:
Calgary-Currie MLA
Dave Taylor leaves the Liberal caucus to sit as an independent. • June 25, 2010:
PC, turned
Independent, MLA
Guy Boutilier joins the Wildrose Alliance. • November 22, 2010:
Edmonton-Meadowlark MLA
Raj Sherman is removed from the Progressive Conservative caucus. • November 24, 2010:
Sue Huff becomes interim Alberta Party leader after Edwin Erickson resigns. • December 1, 2010: The Legislative Assembly passes a bill outlining
87 electoral districts, up from the current 83. The last re-distribution was in
2004. • January 24, 2011:
Calgary-Currie MLA
Dave Taylor sits as Alberta Party's first MLA. • January 25, 2011: Premier Ed Stelmach announces his intention not to run for re-election, and announces he will resign his post as Premier when a successor has been chosen at a leadership convention. • February 1, 2011:
David Swann, Leader of the
Alberta Liberal Party, announces his intention to step down as leader after the spring 2011 legislative session, though still acting as an MLA from
Calgary-Mountain View. • May 28, 2011:
Glenn Taylor is elected leader of the
Alberta Party. • June 26, 2011: The Wildrose Alliance Party votes to change its name to
Wildrose Party. • September 10, 2011:
Raj Sherman is
elected leader of the Liberal Party. • September 12, 2011: Independent MLA Raj Sherman joins the Liberal caucus. • October 1, 2011:
Alison Redford is
elected leader of the PC Association. • October 7, 2011: Redford is sworn in as premier. • November 21, 2011: Liberal
Bridget Pastoor crosses the floor to join the PC caucus. • December 6, 2011: Third and final reading of Bill 21, legislating a general election between March 1 and May 31, 2012. • January 27, 2012:
Vermilion-Lloydminster MLA
Lloyd Snelgrove leaves the PCs to sit as an independent. • March 2012:
Olds-Didsbury-Three Hills MLA
Richard Marz resigns. • March 26, 2012:
27th Alberta Legislative Assembly is dissolved, and the
writs are dropped. • April 9, 2012: Nominations close at 2:00 pm
MT (
UTC−6), • April 19, 2012: Advance polls open 9:00 am to 8:00 pm MT. • May 3, 2012: Official announcement of the results. ==Nominated candidates==