This soft-serve chain opened in 1940 & got the shakes 9 years later
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Irish Beer Shake (Guinness, Jameson, soft serve, and chocolate),... [DOC] [TLE] McDonald's Surprising Start, 75 Years Ago - Hungry History [PAR] May 15, 2015 ... On the 75th anniversary of the opening of the first McDonald's, look back at the 
fast-food hamburger chain's surprising origins as a barbecue joint.