The Eaton's department store chain anchored one of the first enclosed malls in the Maritime Provinces. HALIFAX CENTRE opened for business in September 1962. In addition to Eaton's, the 2-level shopping facility housed Lawton's Drugs, Reitman's ladies' wear, a Sobey's supermarket and S.S. Kresge 5 & 10.
Advert from / Arthur Gaudreau 

Canada's first 2-anchor mall was built in the northern stretches of Metropolitan Toronto, at the intersection of the MacDonald Cartier Freeway and proposed Spadina Expressway. YORKDALE CENTRE, housing 100 stores and services, opened for business in February 1964. Toronto-based Eaton's and Simpson's were its department store draws.
Postcard from Malls of America Blogspot

The first fully-enclosed mall in -or around- Canada's Capital opened its doors in October 1967. ST. LAURENT CENTRE, a 30 million dollar facility, was anchored by Simpsons-Sears and Ottawa-based Freimans. It encompassed 750,000 leasable square feet and contained 53 stores and services.
Drawing from the Fairview Corporation