1893 Henry Perky patented shredded wheat. Sometime in the early 1890s, at a Nebraska hotel, Perky — who suffered from diarrhea — encountered a man similarly afflicted, who was eating boiled wheat with cream. After this, he developed a machine to make “little whole wheat mattresses.” 1975 Jimmy Hoffa, one of the most influential American labor leaders of the 20th century, disappeared in Detroit, never to be heard from again. Conclusive evidence has never been found, and his whereabouts …