Timeline of significant events in the history of the LPS

1970s
October 1973
The Ontario Government Protective Service is established after an increase in public protests at Queen’s Park in the early 1970s.
1974
The Speaker is given control over the Chamber and other designated parts of the Legislative Building.
1978
The standing orders give Sergeant-at-Arms authority to direct security.

1980s
1984
After a shooting at Quebec’s National Assembly, an Ontario Provincial Police (OPP) detachment is stationed at Queen’s Park.
1988
A memorandum of understanding (MOU) is signed between the Speaker and Ministry of Government Services for OPP services.

1990s
1990
An order-in-council gives the Speaker control of the Legislative Precinct.
1992
An MOU expands the size of the Legislative Precinct under Speaker’s control.
1995
Identification checks are instituted at Queen’s Park after bombings at an Oklahoma City federal building and the Charlottetown Legislature.
Following a throne speech protest that prevents MPPs from entering Legislature, the Standing Committee on the Legislative Assembly (SCLA) begins a study of the Legislature’s security protocols.
March 1996
The SCLA reports to the Legislature with findings and recommendations.
March 18, 1996
Ontario Public Service Employees Union (OPSEU) strike action leads to violent clashes with police, and MPPs are prevented from entering the Legislature.
April 1996
The Legislature adopts the SCLA report and strikes a commission (led by Williard Z. Estey) to look into the March 18 events.
October 1996
The Estey commission reports to the Legislature its findings, recommending a standalone security service.
1997
The Sergeant-at-Arms establishes a restructured Legislative Security Service, and the OPP detachment is removed.

2000s
October 2001
Screening equipment installed in Visitors’ Gallery.

2010s
2016
As a result of a fatal shooting at Parliament Hill in October 2014, an armed response unit is added to the Legislative Security Service along with other security measures.
July 2018
The Legislative Security Service is renamed the Legislative Protective Service.

2020s
Spring 2020
New visitors’ screening centre completed.