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DQ or Dairy Queen started in 1940 when the first store opened in Joliet Illinois.

J.F. McCullough and his son Alex were experimenting on ways to serve ice cream.

The pair found that serving the ice cream at 23F was better than solid at -5F. It was "soft" and easily released from a spigot. The naming of the store at the time was just a catchy name thought up by the proprietors.

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17y ago

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