July 26, 1920: Charles Ponzi scheme exposed by The Boston PostJuly 5, 1920: Ohio Governor James M. Cox nominated as Democratic presidential candidate after 44 ballots, selects Assistant U.S. Navy Secretary Franklin Roosevelt as running mateJuly 10, 1920: Arthur Meighen becomes new Prime Minister of CanadaJuly 4, 1920: DuPont chemist's accidental discovery of Duco process opens the era of colorful mass-produced automobiles (pictured: a 1924 "True Blue" Oakland Tourer, first model lacquered with Duco paint)
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