Louise Arbour Sworn In as Canada’s New Governor General

By Tahani Elghazaly
Published June 8, 2026

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Canada opened a new symbolic chapter on Monday as former Supreme Court justice and international diplomat Louise Arbour was installed as the country’s 31st Governor General. The ceremony took place at the Senate of Canada Building in Ottawa on June 8, 2026, following Prime Minister Mark Carney’s announcement of her appointment in May.

Arbour succeeds Mary Simon, the first Indigenous person to serve as Governor General of Canada. Born in Montreal, Arbour brings a long record in law, diplomacy and human rights, including service as a Supreme Court of Canada justice, chief prosecutor for the international war crimes tribunals for the former Yugoslavia and Rwanda, and United Nations High Commissioner for Human Rights.

The installation ceremony included the swearing-in of the new Governor General, the presentation of Canadian honours and the Great Seal of Canada, remarks by the Prime Minister, and Arbour’s first address to Canadians in her new role. The federal government said the ceremony also included Indigenous ceremonial elements and artistic performances reflecting Canada’s cultural diversity.

Although the Governor General’s role is often ceremonial, it carries important constitutional duties. The Governor General represents the King in Canada, signs legislation into law, swears in governments, serves as commander-in-chief, and can summon or dissolve Parliament.

The ceremony also included three formal oaths, a 21-gun salute from Parliament Hill, and the raising of the Governor General’s flag on the Peace Tower. These symbols mark the formal transfer of constitutional authority in one of Canada’s most visible public offices.

Arbour begins the role at a moment when Canada is navigating sensitive debates about national unity, institutional trust and its place in the world. Her background in international justice and human rights gives the appointment a meaning that goes beyond ceremony, pointing to the image Canada wants to project at home and abroad.

After the installation ceremony, Arbour was scheduled to proceed to the National War Memorial, where she would inspect the Guard of Honour and lay flowers in tribute to Canadians who died in combat. It is her first official engagement as Governor General and Commander-in-Chief of Canada.