Last updated 2008; Primary Source: Elections PEI; Secondary Sources: Journals of the Legislative Assembly of Prince Edward Island, Parliamentary Guide, Executive Council Records.
| 1773 | The first House of Assembly was elected on 4 July 1773 and consisted of 18 members. |
| 1799 | The name of the Island was changed to Prince Edward Island. |
| 1803 | The First Election Act was passed regarding elections to the House of Assembly. |
| 1830 | The right to vote was extended to Catholic males. |
| 1838 | The Assembly increased to 24 members elected in 4 dual member constituencies in each of the three counties. |
| 1856 | The Assembly was further expanded to 30 members elected in 5 dual member districts in each of the three counties. During this same period there was also a Legislative Council which represented electors with property interests. The Legislative Council initially consisted of 12 members and by 1859 was expanded to 17 members. |
| 1861 | An Act was proclaimed which made the Legislative Assembly elective and reduced its number of members to 13 members. These members were elected in dual member constituencies in each county and a single member constituency in the Charlottetown area. |
| 1893 | The Legislative Assembly and the Legislative Council were joined to create 15 dual districts (30 members) with five electoral districts in each of the three counties. |
| 1893 | The Act Respecting the Representation of the People of the Legislature was passed by the Legislative Assembly and the Legislative Council adjusting the boundaries of ridings in Kings County so that the five districts in the County were more equitable in terms of population. |
| 1921 | Voting franchise was extended to include women. |
| 1961 | The Provincial Government appointed a Royal Commission on Electoral Reform. |
| 1963 | The Royal Commission on Electoral Reform recommended a provincial Election Act and also recommended the following: create the position of a Chief Electoral Officer; establish a system for enumerating electors; extend the vote to the Province's aboriginal peoples; abolish the franchise for Councillor seats; and the number of electoral districts remains at 15 dual member districts with the elimination of the electoral district of 5th Kings and a new electoral district added to Queens, namely, sixth Queens. |
| 1965 | Election Act was revised, the number of electoral districts was increased from 15 dual member districts to 16 dual member districts and the electoral district of 5th Kings was recreated and added to Kings County before the 1996 provincial general election. |
| 1965 |
 July 13, G. Lorne Monkley (1965 to 1978) was appointed as the province's first Chief Electoral Officer. |
| 1967 | An amendment to the Election Act was approved on May 17, 1967 changing the qualifications of electors from 21 years of age to 18 years of age on or before ordinary polling day. The first provincial election that followed this change was held on May 11, 1970. |
| 1973 | May 17 - Layton Schurman (1973 to 1996) was appointed as the province's first Deputy Chief Electoral Officer. |
| 1974 | The provincial Government established a legislative committee, the Electoral Boundaries Committee. The committee recommended rearranging the electoral boundaries to provide for better geographical and population representation. The province took no action on the committee's recommendation. |
| 1978 |
Nov 1 - Arthur J. Currie (1978 to 1986) was appointed as the province's second Chief
Electoral Officer, with Layton Schurman remaining as the Deputy Chief Electoral Officer. |
| 1982 | Government of Canada adopted the Charter of Rights and Freedoms. |
| 1986 |
Aug 7 - Merrill H. Wigginton (1986 to 2005) was appointed as the province's third
Chief Electoral Officer, with Layton Schurman remainng as the Deputy Chief Electoral
Officer. |
| 1991 | Feb 15 - Donald MacKinnon filed an application with the Supreme Court of Prince Edward Island asking that sections 147, 148, 149 150 and 151 of the Election Act be declared null and void. These sections were the electoral boundaries descriptions for the 16 electoral districts. |
| 1992 | Oct-Dec - Prince Edward Island Supreme Court held hearings before The Honourable Mr. Justice DesRoches. The City of Charlottetown joined Mr. MacKinnon as an intervenor |
| 1993 | Feb 16 - Justice DesRoches issued a decision stating that sections 147 to 151 of the Election Act were contrary to the Canadian Charter of Rights and Freedoms pending the necessary legislative action to remedy the legislation. Justice DesRoches also recommended that remedial action should take place within a reasonable period of time. |
| 1993 | Sep 9 - Order in Council No. EC451/93 established the Election Act and Electoral Boundaries Commission. |
| 1993 | Oct - The Election Act and Electoral Boundaries Commission called for submissions from the public. |
| 1994 | Mar 17 - The Election Act and Electoral Boundaries Commission presented its final report to the Legislative Assembly of PEI recommending 30 single member districts. |
| 1994 | May 6 - Ross Young presented a private members bill, Bill No. 100, the Electoral Boundaries Act to the Legislative Assembly from which the present map has been drawn |
| 1994 | May 11 - Electoral Boundaries Act, Bill No. 100, received second reading. |
| 1994 | May 19 - Electoral Boundaries Act received Assent. This Act comes into force upon a passing of an order of the Lieutenant Governor in Council pursuant to section 5 of the Election Act for the general election next following enactment of this Act. |
| 1995 | Feb 17 - City of Charlottetown and other urban centres filed a Notice of Application to the Supreme Court of Prince Edward Island claiming the Electoral Boundaries Act was inconsistent with the Canadian Charter of Rights and Freedoms and that the process by which the Legislative Assembly determined the Electoral Boundaries Act was flawed. |
| 1996 | Mar-Apr - Chief Justice K. R. MacDonald, Supreme Court, Trials Division, heard the City of Charlottetown's application. |
| 1996 | June 6 - Lowell J. Croken was appointed as the province's second Deputy Chief Electoral Officer. |
| 1996 | Nov 18 - Provincial general election was held based on the newly designed electoral districts as approved by the Electoral Boundaries Act thus creating the first Legislative Assembly of 27 single members. |
| 1996 | Dec 13 - Chief Justice K. R. MacDonald, Supreme Court, Trials Division, dismissed the City of Charlottetown's application. |
| 1998 | The city of Charlottetown filed an application to the Supreme Court of Prince Edward Island requesting the Supreme Court to overturn Chief Justice MacDonald's December 13, 1996 electoral boundaries decision. |
| 1998 | Dec. 9-13 - The appeal of Mr. Justice Kenneth R. MacDonald's December 13, 1996, electoral boundaries decision was heard by the Supreme Court of Prince Edward Island. |
| 1999 | April 6 - The Supreme Court of Prince Edward Island issued a decision supporting Chief Justice MacDonald's December 13, 1996 decision. |
| 1999 | The City of Charlottetown filed an application to the Supreme Court of Canada in Ottawa to requesting the Court to overturn Chief Justice MacDonald's December 13, 1996 electoral boundaries decision. |
| 1999 | December - The Supreme Court of Canada denies an application by the City of Charlottetown for leave to appeal a P.E.I. Supreme Court decision on the Electoral Boundaries Act. |
| 2000 | April 17 - general election was held electing the second Legislative Assembly based on the Electoral Boundaries Act 27 single member districts. |
| 2001 | The Legislative Assembly of Prince Edward Island, Special Committee on the Election Act requested Elections P.E.I. to review systems of proportional representations presently in existence in other jurisdictions. |
| 2002 | April 5 - Merrill H. Wigginton, Chief Electoral Officer, presented The Honourable Mildred Dover, Speaker of the Legislative Assembly with the Elections P.E.I. Report on Proportional Representation. |
| 2003 | January 21 - Retired Chief Justice of the Supreme Court of Prince Edward Island, Honourable Norman H. Carruthers was appointed to head the Prince Edward Island Commission on Electoral Reform. Commissioner Carruthers consulted with Islanders and delivered his 2003 Electoral Reform Commission Report to Premier Pat Binns on December 18, 2003. |
| 2003 | September 29 - general election was held electing the third Legislative Assembly based on the Electoral Boundaries Act 27 single member districts. |
| 2004 | January 5 - Electoral Boundaries Commission appointed to review the electoral boundaries for the 27 provincial electoral districts. The Commission was comprised of Justice John McQuaid, Chair and Commissioners John Mitchell, Q.C. and Roberta Hubley. The Commission released an interim report on June 30, 2004 and a final report on October 5, 2004 which was presented to The Honourable Greg Deighan, Speaker of the Legislative Assembly. |
| 2004 | December 16 - The Legislative Assembly passed Motion No. 32 which
directed the Legislative Standing Committee on Legislative Management to
appoint an eight person commission, known as the Commission on Prince
Edward Island's Electoral Future. The Commission is directed to further the work of the Prince Edward Island Electoral Reform Commission. The Commission is to develop and conduct a public education program, designed to increase among the general public of P.E.I. awareness of the present First Past the Post Electoral System and a Mixed Member Proportional System as well as to develop a clear and concise plebiscite question. |
| 2005 | February 17 - Hon. Greg Deighan, Speaker of the Legislative
Assembly and Chair of the Standing Committee on Legislative Management,
announced appointments
to the Commission on Prince Edward Island's Electoral Future. Speaker
Deighan said, "The Standing Committee on Legislative Management was
directed by the Legislative Assembly to appoint an eight Member
Commission to:
|
| 2005 | April 30 - Lowell J. Croken was appointed as the Acting Chief Electoral Officer. |
| 2005 | November 28 - Provincial Plebiscite for the Mixed Member Proportional System for Prince Edward Island. The Plebiscite was run under the Plebiscites Act and the Proportional System Regulations. |
| 2006 | May 4 - Legislative Assembly rejected the proposed electoral boundaries as recommended by the Electoral Boundaries Commission on October 5, 2004. The Legislative Assembly Report of the Special Committee on Prince Edward Island's Electoral Boundaries directed Elections P.E.I. to produce new electoral maps and descriptions delineating the area and boundaries of the province's 27 electoral districts. The boundaries were to be limited to a plus or minus of 15% variance as compared to the electoral quotient. |
| 2006 |
May 10 - Lowell J. Croken was appointed as the Chief
Electoral Officer. Norma E. Palmer was appointed as the Deputy Chief Electoral Officer. |
| 2006 | June 14 - Elections P.E.I. Report of the Descriptions and Maps for the Proposed 27 Electoral Districts was released to the public. |
| 2006 | June 28 - The Legislative Assembly rejected the Elections P.E.I. Report of the Descriptions and Maps for the Proposed 27 Electoral Districts. |
| 2006 | June 28 - The Legislative Assembly approved Bill No. 49 - An Act to Amend the Electoral Boundaries Act creating new electoral boundaries as proposed by Cletus Dunn MLA, District No. 26 Alberton - Miminegash. |
| 2007 | May 28 - General election was held electing the first Legislative Assembly based on the 2006 amended Electoral Boundaries Act 27 single member districts. |
