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In page Supermarket:

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Before then, a few countries had already begun to implement supermarkets due to their proximity to or affinity for the United States. Canada, to the north, had implemented the new retail format at the same time during the 1930s. For example, Québec's first supermarket opened in 1934 in Montréal, under the banner Steinberg's.[3] In Canada, the largest supermarket chain is Loblaw, which operates stores under a variety of banners targeted to different segments and regions, including Fortinos, Zehrs, No Frills, the Real Canadian Superstore, and Loblaws, the foundation of the company. Sobeys is Canada's second largest supermarket with locations across the country, operating under many banners (Sobeys IGA in Quebec).[citation needed]