May 1, 1963: Nationalization of the companies of electricity production and supply, which are absorbed by the state agency Hydro-Québec.
May 1, 1933: Joseph-Pierre-Cyrénus Lemieux (LIB), MLA for Wolfe and Whip of the Parti libéral, resigns as Member of the Legislative Assembly following his appointment as sheriff.
May 1, 1878: 4th General Election to the Legislative Assembly of Quebec:
Parti conservateur (Joseph-Adolphe Chapleau) and Independent Conservatives: 34 seats;
Parti libéral (Henri-Gustave Joly de Lotbinière): 31 seats.
May 2, 1997: Yvon Charbonneau (LIB), MNA for Bourassa, and France Dionne (LIB), MNA for Kamouraska-Témiscouata, resign as Members of the National Assembly.
May 2, 1930: Antonin Galipeault (LIB), MLA for Maskinongé and Minister of Public Works and Labour, resigns as Member of the Legislative Assembly and Minister following his appointment as judge.
May 2, 1898: Nazaire-Nicolas Olivier (LIB), MLA for Lévis, dies in office.
May 2, 1874: By-election in Chicoutimi et Saguenay; Michel-Guillaume Baby (CON) is elected by acclamation.
May 3, 1954: Charles Daniel French (UN), MLA for Compton and Minister of Minings, dies in office.
May 3, 1934: Lauréat Lapierre (LIB), MLA for Mégantic, resigns as Member of the Legislative Assembly following his appointment as sheriff.
May 4, 1923: William Robert Oliver (LIB), MLA for Brome, dies in office.
May 4, 1901: John Jones Ross (CON), Legislative Councillor for Shawinigan and former Prime Minister of Quebec (1884-1887), dies in office at the age of 69.
May 4, 1896: Louis-Olivier Taillon (CON), Prime Minister of Quebec and MLA for Chambly, resigns as Prime Minister following his decision to quit for federal politics.
May 4, 1889: Owen Murphy (LIB), MLA for Québec Ouest, is found guilty by the Superior Court of electoral fraud during the General Election of October 14, 1886. His election is cancelled and the Québec Ouest seat becomes vacant.
May 5, 1996: (May 5-7) 14th National Convention of the Parti québécois.
May 5, 1989: The Parti marxiste-léniniste du Québec obtains officially once again the status of authorized political party it had lost on November, 1985.
May 5, 1974: Yvon Dupuis leaves the Ralliement créditiste to found the Parti présidentiel. This party will amalgamate with the Union nationale in May 1975.
May 5, 1886: By-election in Verchères; Abraham Bernard (LIB) is elected.
May 7, 1936: Beginning of the sessions of the parliamentary committee of the public accounts, convened by Maurice Duplessis (CON) to investigate into the governmental administration. The works of the Committee will cause the dismissal of the Taschereau cabinet (LIB).
May 7, 1914: By-election in Bonaventure; Joseph-Fabien Bugeaud (LIB) is elected by acclamation.
May 7, 1883: Joseph-Alfred Mousseau (CON), MLA for Jacques Cartier and Prime Minister of Quebec, is found guilty by the courts of electoral fraud during the By-Election of August 26, 1882. His election is cancelled and the Jacques Cartier seat becomes vacant.
May 7, 1837: Assembly of the Comté de Richelieu (Richelieu County), said " Assemblée de Saint-Ours", where the leaders of the Parti patriote (Patriotic Party) present and make adopt 12 resolutions expressing their complaints and objectives to the British Crown.
May 7, 1792: The 27 ridings of the first general election to the House of Assembly of Lower Canada are created by a proclamation of Governor Dorchester.
May 8, 1984: Shooting in the National Assembly. Corporal Denis Lortie penetrates the Hôtel du Parlement (Hotel of the Parliament), killing three persons and by injuring nine others.
May 8, 1942: Wilfrid Girouard (LIB), MLA for Arthabaska and Attorney General, and Bernard Bissonnette (LIB), MLA for L'Assomption and Speaker of the Legislative Assembly of Quebec, resign as Members of the Legislative Assembly and Minister following their appointment as judges.
May 8, 1934: Joseph-Éphraïm Bédard (LIB), MLA for Québec, resigns as Member of the Legislative Assembly following his appointment as Vice-President of the Commission des liqueurs.
May 8, 1888: By-election in Laval; Pierre-Évariste Leblanc (CON) is elected.
May 8, 1888: James McShane (LIB), MLA for Montréal Centre and Commissioner of Agriculture and Public Works, resigns as Minister following charges of corruption carried against him.
May 9, 1986: Gil Rémillard (LIB), Minister for Canadian Intergovernmental Affairs, exposes five "minimal" (fundamental) conditions so that Quebec affixes its signature to the Canadian Constitution.
May 9, 1914: By-election in Châteauguay; Honoré Mercier fils (LIB) is elected by acclamation.
May 9, 1877: Beginning of the works of construction of the Hôtel du Parlement (Hotel of the Parliament), the building in which still sits the National Assembly of Quebec nowadays.
May 10, 1902: François-Gilbert Miville Dechêne (LIB), MLA for L'Islet and Minister of Agriculture, dies in office.
May 10, 1880: Onuphe Peltier (CON), MLA for L'Assomption, dies in office.
May 10, 1823: Two members of the House of Assembly of Lower Canada, the Speaker of the House Louis-Joseph Papineau and John Neilson, present to the Colonial Office in London a report and a petition against the project of union of Upper and Lower Canada. This project will be abandoned by the British Parliament.
May 11, 1975: At the outcome of a leadership convention, Camil Samson(CS), MNA for Rouyn-Noranda, is re-elected as Leader of the Ralliement créditiste.
May 11, 1897: 9th General Election to the Legislative Assembly of Quebec:
Parti libéral (Félix-Gabriel Marchand): 51 seats;
Parti conservateur (Edmund James Flynn): 23 seats.
May 11, 1896: Following the dismissal of Louis-Olivier Taillon (CON), MLA for Chambly, as Prime Minister seven days earlier, Edmund J. Flynn (CON), MLA for Gaspé, is sworn in as Prime Minister of Quebec.
May 12, 2005: The Parti conscience universelle obtains officially the status of authorized political party.
May 12, 1970: Following the victory of his party during the general election held on April 29, 1970, Robert Bourassa (LIB) is sworn in as Prime Minister of Quebec.
May 12, 1896: Alexander Webb Morris (CON), MLA for Montréal division No. 4, resigns as Member of the Legislative Assembly.
May 12, 1888: Élie Saint-Hilaire (CON-I), MLA for Chicoutimi et Saguenay, dies in office.
May 13, 1929: By-election in L'Islet; Joseph-Adélard Godbout (LIB) is elected by acclamation.
May 13, 1814: Return of the Writs of the 8th General Election to the House of Assembly of Lower Canada. 50 MHAs are elected, among which 35 are Francophones and 15 are Anglophones.
May 14, 1945: Édouard Lacroix (BPC), MLA for Beauce, resigns as Member of the Legislative Assembly.
May 14, 1914: Godfroy Langlois (LIB), MLA for Montréal–St-Louis, resigns as Member of the Legislative Assembly following his appointment as agent général du Québec en Belgique (General Agent of Quebec in Belgium).
May 14, 1897: Following the defeat of his party in the general election held three days earlier, Edmund James Flynn (CON) resigns as Prime Minister of Quebec.
May 15, 2002: Gilles Baril (PQ), MNA for Berthier and former minister in the Bouchard and Landry Cabinets, resigns as Member of the National Assembly.
May 15, 2002: The Parti démocratie chrétienne du Québec obtains officially the status of authorized political party.
May 15, 1935: Joseph-Maurice Gabias (LIB), MLA for Montréal–Saint-Henri, dies in office.
May 15, 1912: 13th General Election to the Legislative Assembly of Quebec:
Parti libéral (J. Lomer Gouin): 63 seats;
Parti conservateur (Joseph-Mathias Tellier): 16 seats;
May 15, 1837: Assemblée de Saint-Laurent, where Louis-Joseph Papineau launches a boycott of products imported from England in protest against the refusal of the British government to reach the demands formulated in the Quatre-vingt-douze résolutions (Ninety-two resolutions).
May 15, 1809: Early dissolution, after less than year of mandate, of the House of Assembly of Lower Canada by the British governor James Craig.
May 16, 1927: 17th General Election to the Legislative Assembly of Quebec:
Parti libéral (Louis-Alexandre Taschereau) and Independent Liberals: 75 seats;
May 16, 1913: Alfred Morisset (LIB), MLA for Dorchester, resigns as Member of the Legislative Assembly following his appointment as greffier du Conseil exécutif (Clerk of the Executive Council).
May 16, 1863: Issuing of the Writs of the 8th General Election to the Legislative Assembly and the Legislative Council of the Province of Canada, two years only after the previous general election.
May 17, 1984: The Parti Unité-Québec obtains officially the status of authorized political party.
May 17, 1955: Gaston Leroux (LIB), MLA for Shefford, resigns as Member of the Legislative Assembly.
May 17, 1815: Death of the first Speaker of the House of Assembly of Lower Canada, Jean-Antoine Panet.
May 18, 1888: By-election in Shefford; Tancrède Boucher de Grosbois (LIB) is elected.
May 20, 1980: Referendum on the independence of Quebec: the project of sovereignty-association proposed by the government of Quebec is rejected by 59,56% of the Quebecers, whereas 40,44 % are favorable to it.
May 20, 1950: At the outcome of a Leadership Convention held in Quebec City, Georges-Émile Lapalme is elected as leader of the Parti libéral. Given that Lapalme is not a MLA, George C. Marler will remain parliamentary leader until the following general election.
May 20, 1922: Joseph-Edmond Robert (LIB), MLA for Rouville, resigns as Member of the Legislative Assembly following his appointment as agent for the Bureau provincial de l'immigration (Provincial Immigration Office).
May 20, 1873: George-Étienne Cartier (CON), MLA for Beauharnois, dies in office.
May 21, 1990: In protest against the Charest Report, where were proposed softenings in the Meech Lake Agreement, the federal Minister of Environment, Lucien Bouchard, resigns as Minister and quits the parliamentary group of the Progressive Conservative Party in order to sit as an independent MP.
May 22, 1919: Joseph Lafontaine (LIB), MLA for Berthier, resigns as Member of the Legislative Assembly following his appointment as inspector of asylums and prisons.
May 22, 1916: 14th General Election to the Legislative Assembly of Quebec:
May 23, 1989: Jean-Paul Théorêt (LIB), MNA for Vimont, resigns as Member of the National Assembly.
May 23, 1985: Jacques Léonard (ind.), MNA for Labelle and former Minister in the Lévesque Cabinet, resigns as Member of the National Assembly.
May 23, 1976: At the outcome of a Leadership Convention, Rodrigue Biron is elected as Leader of the Union nationale.
May 23, 1963: Paul Earl (LIB), MLA for Montréal-Notre-Dame-de-Grâce and Minister of Revenue, dies in office.
May 23, 1896: Thomas Chase Casgrain (CON), MLA for Montmorency, resigns as Member of the Legislative Assembly following his decision to quit for federal politics.
May 24, 1897: Following the victory of his party during the general election of held on May 11, 1897, Félix-Gabriel Marchand (LIB) is sworn in as Prime Minister of Quebec.
May 24, 1792: Issuing of the Writs of the 1st General Election to the House of Assembly of Lower Canada.
May 25, 1978: Pierre-F. Côté is designated as directeur général des élections (Chief Election Officer) to replace François Drouin, president general of the elections from 1945 to 1978.
May 25, 1956: Jules Savard (LIB), MLA for Québec-Ouest, dies in office.
May 25, 1938: By-election in Chicoutimi; Antonio Talbot (UN) is elected.
May 25, 1888: By-election in Trois-Rivières; H.-R.-Arthur Turcotte (LIB), Attorney General in the Mercier Cabinet, is elected.
May 26, 1944: The assent is given to an act of the Legislative Assembly modifying the demarcations of ridings and increasing their number from 86 to 91.
May 26, 1868: The first coats of arms of Quebec are granted to it by queen Victoria.
May 27, 1977: (May 27-29) 6th National Convention of the Parti québécois.
May 27, 1927: Arthur Sauvé (CON), MLA for Deux-Montagnes and Leader of the Parti conservateur, resigns as Leader of the Party. He shall remain in office until the appointment of a successor.
May 27, 1808: Beginning of the 5th General Election to the House of Assembly of Lower Canada.
May 28, 1997: By-elections in Beauce-Sud and Prévost; Diane Leblanc (LIB) and Lucie Papineau (PQ) are elected.
May 28, 1905: James Cochrane (LIB), MLA for Montréal division No. 4, dies in office.
May 29, 1989: By-elections in Hull and Papineau; René-Robert Lesage (LIB) and Norman MacMillan (LIB) are elected.
May 29, 1871: Issuing of the Writs of the 2nd General Election to the Legislative Assembly of Quebec. After the vote ended at the end of July 1871, the results were as follows:
Parti conservateur (Pierre-Joseph-Olivier Chauveau): 46 seats;
Parti libéral (Henri-Gustave Joly de Lotbinière): 19 seats.