This coming Tuesday is July 11, which means 7-Eleven stores across the globe will offer free small Slurpees from 11 a.m.-7 p.m.
In case you’ve forgotten, or if you didn’t know, the Southland Corp. and 7-Eleven were born in Oak Cliff.
It was the first company to sell coffee in paper cups to go and the first to offer self-serve soda fountains. In 1959, Dean Sperry and Omar Knedlik of Dallas-based manufacturing company E. Mitchell Co. invented the Icee machine, which served frozen carbonated drinks. 7-Eleven bought three Icee machines in 1965, and they were such a hit that a few years later, nearly every store had one. The Stanford Agency named it the “Slurpee” for the sound it makes coming out of the straw, and 7-Eleven bought radio ads to promote that now iconic treat.
Read all about Oak Cliff’s place in convenience story history here.
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