page_title: John G. Diefenbaker Building
hierarchical_section_title: John G. Diefenbaker Building
caption_attribution_description: Ottawa's Old City Hall
context_page_description: The John G. Diefenbaker Building is a building in the New Edinburgh neighbourhood of Ottawa, Ontario. The building served as Ottawa's city hall from August 2, 1958 to January 1, 2001, and is commonly known as Old City Hall. Purchased in 2003 by the Government of Canada, it was known by its municipal address, 111 Sussex Drive, until September, 2011 when it was renamed after Canada's 13th prime minister, John Diefenbaker.
context_section_description: The John G. Diefenbaker Building is a building in the New Edinburgh neighbourhood of Ottawa, Ontario. The building served as Ottawa's city hall from August 2, 1958 to January 1, 2001, and is commonly known as Old City Hall. Purchased in 2003 by the Government of Canada, it was known by its municipal address, 111 Sussex Drive, until September, 2011 when it was renamed after Canada's 13th prime minister, John Diefenbaker.
caption: The Safdie addition to the south of the building
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