††††Among the first breakfast cereals were H.D. Perky's Shredded Wheat (1892) and C.W. Post's Grape Nuts (1897), later renamed "Post Toasties" in 1904.
The Kellogg Brothers invented cornflakes in 1892 while running a sanitarium in Michigan. Will Kellogg boiled wheat to find a bread substitute. The resulting material was successfully sliced into cornflakes after a batch was left out by mistake.