Webfirst opened in 1962 by sam walton, walmart quickly exploded into a retail empire turning over hundreds of billions of dollars in revenue. Here is a look at how he. Webwalmart’s first store opened 62 years ago, but its origins date back even further. According to the walmart digital museum, sam walton and his family moved to. Webon july 2, 1962, sam walton opens the first walmart store in rogers, arkansas. The walton family owns 24 stores, ringing up $12. 7 million in sales.