Photos from Walmart's boom in the 1990s show how the retail chain took over the world

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Photos from Walmart's boom in the 1990s show how the retail chain took over the world

A Walmart store in Virginia.James Leynse/Corbis via Getty ImagesThe first Walmart store opened in 1962 and it was the No. 1 retailer in the US by 1990.Photos show customers shopping at Walmart during the chain's boom in the '90s.Walmart also expanded into China, Canada, and the UK in the 1990s.Sam Walton opened the first Walmart store in Rogers, Arkansas, in 1962. By 1980, the retail chain operated 276 locations and achieved $1 billion in sales …