Original: The City of Halifax (est. 1841) was the capital of the province of Nova Scotia and shire town of Halifax County, and was the largest city in Atlantic Canada until it was amalgamated into Halifax Regional Municipality in 1996.
Simplified: The City of Halifax was the municipal government of Halifax, Nova Scotia between its incorporation as a city in 1841 until 1996, when all of the municipal governments within Halifax County were combined into the Halifax Regional Municipality.