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John Fremont "Grandpa" McCullough creates soft serve by changeng the freezing temperature to 23 degrees rather than 0 degrees.
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Sherb Noble agrees to sell the ice cream at his restaurant for one week in Kankakee, Illinois. 1,600 servings were sold in 2 hours.
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The first Dairy Queen store was opened in Joliet, Illinois.
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1965: Radio advertising.
1966: Television advertising. -
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Over 175,000,000 were sold in the first year.
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The first "Grill & Chill" restaurant opened in Chattanooga, Tennessee.
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