1963 in Michigan. Sworn rivals in cereal, Kellogg's and Post, compete to make a pastry that will revolutionize breakfast." /> 1963 in Michigan. Sworn rivals in cereal, Kellogg's and Post, compete to make a pastry that will revolutionize breakfast." /> 1963 in Michigan. Sworn rivals in cereal, Kellogg's and Post, compete to make ">
Summary:
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1963 in Michigan. Sworn rivals in cereal, Kellogg's and Post, compete to make a pastry that will revolutionize breakfast.