2015 • May 5: The
Alberta New Democratic Party (NDP) wins a majority government in the
29th Alberta General Election, defeating the long-ruling
Progressive Conservative Association of Alberta (PCs) after close to 44 years in office. The
Wildrose Party remains the official opposition, with the PCs dropping to third and the
Alberta Liberal Party and
Alberta Party winning one seat each. Outgoing Premier
Jim Prentice announces his resignation as PC leader, and disclaims his victory in
Calgary-Foothills, leaving the riding vacant and triggering a by-election. • May 11:
Ric McIver, PC MLA-elect for
Calgary-Hays and outgoing
cabinet minister, is appointed interim leader of the PCs. • May 15:
Elections Alberta publishes the official election results. • May 22:
Deborah Drever, NDP MLA-elect for
Calgary-Bow, is suspended from the NDP caucus for controversial social media posts. • May 24:
Rachel Notley, NDP MLA-elect for
Edmonton-Strathcona, is sworn in as Alberta's 17th
Premier, along with her 11-member
Cabinet. • June 1: The new
MLAs are sworn in. • June 11: The first session of the
29th Alberta Legislative Assembly begins. • August 6: Premier Notley calls a by-election for
Calgary-Foothills, vacated by Jim Prentice's disclamation of victory, with the vote to be held on September 3. • September 3: The
Calgary-Foothills by-election is held. Wildrose candidate
Prasad Panda is elected. • November 23:
Manmeet Bhullar, PC MLA for
Calgary-Greenway, dies in a highway crash, triggering a by-election in his riding.
2016 • January 8:
Deborah Drever, Independent MLA for
Calgary-Bow, rejoins the NDP. • February 23: Premier Notley calls a by-election for
Calgary-Greenway, vacated by Manmeet Bhullar's death, with the vote to be held on March 22. • March 22: The
Calgary-Greenway by-election is held. PC candidate
Prabhdeep Gill is elected. • May 27:
Derek Fildebrandt, Wildrose MLA for
Strathmore-Brooks, is suspended from caucus for controversies over a social media post regarding Ontario Premier
Kathleen Wynne. • May 31:
Derek Fildebrandt, MLA for
Strathmore-Brooks, has suspension lifted by the Wildrose Party after promising to follow set conditions. • November 17:
Sandra Jansen, PC MLA for
Calgary-North West, joins the NDP after allegations of harassment during the
PC leadership race.
2017 • March 18:
Jason Kenney, former
federal cabinet minister, is
elected PC leader on a platform of joining with the Wildrose to form a united right-of-centre party. • May 18: PC leader
Jason Kenney and Wildrose leader
Brian Jean announce that merger referendums will be held in their parties on July 22, 2017. If they pass, with thresholds of 50%+1 of PC members and 75% of Wildrose members, the parties will begin the process of merging into the
United Conservative Party, or UCP. • May 25: The Alberta Electoral Boundaries Commission presents its interim report, proposing changes to the boundaries and names of the province's ridings for the next election. • June 4:
David Khan is
elected leader of the Liberal Party, becoming the first openly gay leader of a major Alberta political party.
David Swann, MLA for
Calgary-Mountain View, had been serving as interim leader since the resignation of
Raj Sherman in January 2015. • July 22: The PC and Wildrose parties hold unity referendums on the question of merging into the
United Conservative Party. Both parties approve the merger with 95% support. • July 24: The UCP legislative caucus meets for the first time and appoints
Nathan Cooper, Wildrose MLA for
Olds-Didsbury-Three Hills, as interim leader.
Richard Starke, PC MLA for
Vermilion-Lloydminster, announces that he will not join the UCP caucus, and will continue sitting as a PC until the party is formally deregistered. This did not occur prior to dissolution of the House, thus, Starke never officially became an independent MLA. • July 25: The UCP caucus is formally established in the legislature, comprising all 22 Wildrose MLAs and 7 of the 8 PC MLAs.
Richard Starke continues to sit as a PC MLA. • July 27: The UCP is formally registered with Elections Alberta. The PC and Wildrose parties remain registered, but both share the UCP's leadership team. • August 15:
Derek Fildebrandt, UCP MLA for
Strathmore-Brooks, resigns from the UCP caucus following an expense scandal, becoming an Independent. • September 21:
Rick Fraser, UCP MLA for
Calgary-South East, resigns from the UCP caucus, becoming an Independent. • October 4:
Karen McPherson, NDP MLA for
Calgary-Mackay-Nose Hill, resigns from the NDP caucus, becoming an Independent. • October 19: The Alberta Electoral Boundaries Commission releases its final report finalizing names and boundary changes that will take effect for the next provincial election. • October 28:
Jason Kenney is
elected leader of the
United Conservative Party. • October 30:
Karen McPherson, Independent MLA for
Calgary-Mackay-Nose Hill, joins the
Alberta Party caucus. • November 1:
Dave Rodney, UCP MLA for
Calgary-Lougheed, resigns as MLA, triggering a by-election in his riding. Rodney stepped down in order to allow Kenney a chance to enter the legislature. • November 16: Premier Notley calls a by-election for
Calgary-Lougheed, vacated by Dave Rodney's resignation, with the vote to be held on December 14. • November 18:
Greg Clark resigns as leader of the
Alberta Party, triggering a leadership election for the party. Clark assumes the role of interim leader until the leadership election. • December 14: The
Calgary-Lougheed by-election is held. UCP candidate and leader
Jason Kenney is elected.
2018 • January 9:
Rick Fraser, Independent MLA for
Calgary-South East, joins the
Alberta Party caucus. • February 2:
Don MacIntyre, UCP MLA for
Innisfail-Sylvan Lake, resigns from the UCP caucus, becoming an Independent. • February 5:
Don MacIntyre, Independent MLA for
Innisfail-Sylvan Lake, resigns as MLA, triggering a by-election in his riding. MacIntyre stepped down following sexual assault and sexual interference charges. • March 5:
Brian Jean, UCP MLA for
Fort McMurray-Conklin, resigns as MLA, triggering a by-election in his riding. • June 14: Premier Notley calls by-elections for
Innisfail-Sylvan Lake and
Fort McMurray-Conklin, vacated by Don MacIntyre and Brian Jean's respective resignations, with the vote to be held on July 12. • July 12: In by-elections,
Laila Goodridge is elected in
Fort McMurray-Conklin and
Devin Dreeshen is elected in
Innisfail-Sylvan Lake. Both seats were retained by the
UCP. • July 14:
Prab Gill, UCP MLA for
Calgary-Greenway, resigns from the UCP caucus, becoming an Independent. • July 20:
Derek Fildebrandt, Independent MLA for
Strathmore-Brooks, joins the
Freedom Conservative Party of Alberta and is appointed interim leader until the leadership election. • October 20:
Derek Fildebrandt is
acclaimed leader of the
Freedom Conservative Party of Alberta. • November 5:
Robyn Luff, NDP MLA for
Calgary-East, is withdrawn as the party's nominee for the district and is removed from the NDP caucus, becoming an Independent.
2019 • January 2:
Stephanie McLean, NDP MLA for
Calgary-Varsity, resigns her seat. As a spring general election is anticipated, no by-election is called in this riding. • January 15:
Rick Strankman, UCP MLA for
Drumheller-Stettler, resigns from the UCP caucus, becoming an Independent. Strankman claimed "hyper partisan self-centered politics" and the lack of grassroots voting within the party as his reason for leaving the caucus. • February 9:
Alberta Party leader
Stephen Mandel is declared ineligible to run by Elections Alberta because of late paperwork submission. • March 4: The ruling on
Stephen Mandel's eligibility to run is reversed. • March 19: Premier Notley announced that the election would take place on April 16. • April 4: Televised Leader's Debate. • April 13: Advanced Polling ends with
Elections Alberta estimation of a record 696,000 votes cast. ==Opinion polling==