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Diefenbunker - Bunker
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Diefenbunker

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description Diefenbunker Overview

The Diefenbunker served as Canada’s official parliamentary defense headquarters during the Cold War. Constructed between 1959 and 1961, this four-story bunker was designed to ensure government continuity in the event of a nuclear attack. Now a museum, it offers insight into the nation's preparedness efforts and is of interest to historians, architecture enthusiasts, and anyone curious about Canada’s role during the Cold War era.

help Diefenbunker FAQ

Why is the Diefenbunker called the Diefenbunker?

The nickname combines "Diefenbaker," the surname of Canadian prime minister John Diefenbaker, with "bunker." The underground complex was built near Carp, Ontario, between 1959 and 1961.

What was supposed to happen inside the Diefenbunker during a nuclear attack?

The facility was intended to shelter key government and military personnel so the federal government could continue operating. Its four underground levels included communications facilities, offices, sleeping quarters, and a Bank of Canada vault.

Was the Diefenbunker ever used during a real nuclear war?

No nuclear attack activated it for its intended emergency mission. It nevertheless operated as a Canadian Forces communications facility during the Cold War before closing in the 1990s.

Can visitors tour the Diefenbunker today?

Yes. The site in Carp now operates as Canada's Cold War Museum, with preserved rooms and exhibitions about civil defence, communications, and nuclear preparedness.

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