Created in 1893 by Tom Amidon, the head miller at Diamond Milling Co., a small flour mill in Grand Forks, N.D.
Moved to Minneapolis in 1897 because demand for product caused company to outgrow its capacity in Grand Forks.
Began cranking out the porridge-like cereal at a second location for more than 20 years after outgrowing its first plant in Minneapolis in 1903.
Built third and current plant in 1927.

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