40th Parliament of Ontario

• November 21, 2011 – Dave Levac (Liberal, Brant) is elected Speaker on the second ballot defeating three other candidates.
• November 22, 2011 – Speech from the Throne is delivered.
• March 29, 2012: Finance Minister Dwight Duncan delivers the provincial budget.
• April 23, 2012: After negotiations between the Liberals and the NDP, the minority government agrees to amend the budget by adding $242 million to child care funding, $20 million for northern and rural hospitals, increase welfare and disability benefits by 1 per cent at a cost of $55 million, and add a 2% surtax on the portion of individual income that exceeds $500,000 a year.
• April 24, 2012: Budget approved 52–37 with NDP MPPs abstaining.
• April 27, 2012: Progressive Conservative MPP Elizabeth Witmer (Kitchener—Waterloo) resigns her seat upon accepting a government appointment as chair of the Workplace Safety & Insurance Board. The vacancy results in the government and Opposition being tied in seats, however, as Speaker David Levac is a Liberal, the Opposition continues to have a one-seat advantage. A Liberal victory in this pending by-election and in the pending Vaughan by-election would give it a majority in the legislature.
• August 1, 2012: Liberal MPP Greg Sorbara (Vaughan) resigns his seat.
• September 6, 2012: By-elections held in the ridings of Kitchener—Waterloo and Vaughan. Catherine Fife (NDP) elected as MPP for Kitchener—Waterloo. Steven Del Duca (Liberal) elected as MPP for Vaughan. The NDP gains one seat in the Ontario Legislature while the Liberals retain their 53-seat minority.
• October 15, 2012: Premier McGuinty prorogues the legislature and announces his resignation as Liberal Party leader pending a leadership convention.
• February 11, 2013: Kathleen Wynne is sworn in as Premier, and a new cabinet in sworn in.
• February 14, 2013: Chris Bentley and Dwight Duncan, Liberal MPPs for London West and Windsor—Tecumseh, resign.
• June 11, 2013: Passage of the Wynne government's first budget, with the support of the NDP; legislature recesses for the summer.
• June 12, 2013: Former Premier Dalton McGuinty resigns his Ottawa South seat.
• June 27, 2013: Liberal MPP Margarett Best (Scarborough—Guildwood) resigns her seat.
• July 2, 2013: Minister of Intergovernmental Affairs Laurel Broten (Etobicoke—Lakeshore) resigns from Cabinet and her seat.
• August 1, 2013: Five by-elections held to replace retiring Liberals. Results were two Liberals, two NDP, one Conservative.
• September 24, 2013: Kim Craitor, Liberal MPP for Niagara Falls, resigns his seat.
• December 31, 2013: Peter Shurman, Progressive Conservative MPP for Thornhill, resigns his seat.
• February 13, 2014: Two by-elections held to replace vacant Niagara Falls and Thornhill seats. Result is a Progressive Conservative hold in Thornhill and an NDP gain in Niagara Falls.
• March 25, 2014: Resignation of cabinet member Linda Jeffrey to run for mayor of Brampton causes a cabinet shuffle.
• May 2, 2014: The 40th Parliament of Ontario was dissolved as Wynne calls an election, to be held June 12, 2014.^[3]

There were two sessions of the 40th Legislature.

• Legislative Assembly of Ontario. Archived 2007-03-16 at the Wayback Machine