1976

Founded by Ernie Regehr and Murray Thomson

1977

Publishes the first issue of The Ploughshares Monitor 

1979

Produces a study of Canada and U.S. defence relations for a UN Group of Governmental Experts

1982

Co-sponsors a newspaper ad calling on Canada to take bold action against nuclear disarmament

1983

Leads a church leaders’ delegation to meetings with Prime Minister Pierre Trudeau on nuclear disarmament

Publishes Canada and the Nuclear Arms Race, the first comprehensive analysis of Canada’s response to the nuclear weapons crisis

1985

Presents a brief on Strategic Defence Initiative before the Special Joint Committee on Canada’s International Relations

1986

Creates the only database of Canadian military production and exports

1987

Publishes the first Armed Conflicts Report

Responds to the 1987 white paper on defence policy in a letter to Prime Minister Brian Mulroney

1989

Organizes a campaign in which Canadians send two million postcards to MPs imploring them to oppose the modernization of nuclear weapons

Publishes policy on Arctic security

1990

Briefs the House of Commons standing committees on the Persian Gulf crisis, NORAD and Canadian security spending

1991

Sponsors a newspaper ad calling for diplomacy in the Persian Gulf crisis and travels with a church delegation to the Middle East

Represents Canada on a group of governmental  experts that develops  the UN Register of Conventional Arms

1993

Helps to establish and co-ordinate the International Resource Group on Disarmament and Security in the Horn of Africa

1994

Participates in a parliamentary review of Canada’s defence and foreign policy

Co-founds Mines Action Canada

1996

Conducts cross-country roundtables on nuclear disarmament that leads to the Canadian government’s review of its nuclear policy and its subsequent pivotal report

1997

Participates in the process leading up to the signing of the Ottawa Landmines Treaty

Endorses Code of Conduct on arms transfers

1998

Co-founds the International Action Network on Small Arms

1999

Leads a church leaders’ delegation to meeting with Prime Minister Jean Chretien to discuss nuclear disarmament  and NATO bombing in Kosovo

Initiates the Sudan Track II diplomacy and dialogue project

2000

Member of Canadian delegation at the UN NPT Review Conference

Assists the Kenyan government in drafting the Nairobi Declaration, a regional small arms agreement

Works with the World Council of Churches on NATO nuclear policy

2001

Member of Canadian delegation at UN session that adopts the Programme of Action on small arms

Holds international workshops on small arms and arms embargoes

Explores humanitarian intervention issues

2003

Co-writes  Prepare for Peace in Iraq, endorsed by 40,000 Canadians, which influences Canada’s decision not to participate in the Iraq war

Research on ballistic missile defence informs the government’s decision to decline participation in U.S. system

Initiates the Space Security Index project

Begins tracking States Parties' reporting to the NPT conferences

2005

Launches a project to support the peace process in Sudan

Advisor to the Canadian delegation to the UN NPT Review Conference

Sends a letter to Prime Minister Paul Martin on Canadian military export policy

Holds consultations in East, West, and Southern Africa on the Responsibility to Protect

2006

Works with international NGOs in developing core principles for a global Arms Trade Treaty

Supports Million Faces Petition calling for control of irresponsible arms transfers

2008

Documents the relationship between armed violence and sustainable development

Launches an armed violence reduction project in the Caribbean

Issues an audit on Canadian military exports

2009

Co-writes an ecumenical brief calling on the government to pay increased attention to diplomacy and reconciliation in Afghanistan

2010

Prepares a letter to Prime Minister Stephen Harper on behalf of Canadian churches on nuclear disarmament

Briefs the House of Commons standing committees on Canadian Forces in Afghanistan and the proposed Joint Strike Fighter purchase

Launches Caribbean projects to strengthen Arms Trade Treaty negotiations and reduce gun violence