Defensive fortification

The Citadelle is today a military base and an official residence which is located atop Cap Diamant in Quebec City, Quebec,, Canada . It was built in the 17th Century as a French fort and expanded by the British between between 1820 and 1831. In its time, because of its location at the top of the hill overlooking a narrow strait and its star shape, it was a mighty defense against a potential threat by the Americans and potential internal revolt.

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