Photos from Walmart's boom in the 1990s show how the retail chain took over the world
The first Walmart store opened in 1962 and it was the No. 1 retailer in the US by 1990.
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The history of Walmart: How one man built a retail empire
Arkansas, that now serves as the Walmart Museum. Shortly afterward, he opened the Wal-Mart Discount City store in nearby Rogers – now recognized as the first store operated under the Walmart ...