Industrialism in America By schroederb16 Period: Apr 20, 1790 to Apr 20, 1950 Timespan Apr 20, 1793 First Factory in America Opens Aug 17, 1807 Robert Fulton Invents the Steamboat Jan 1, 1832 Leon Pomarede paints View of St. Louis Jan 1, 1900 Henri Moves to NYC; Begins Teaching Bellows Apr 20, 1908 Bellows Paints Excavation at Night Dec 7, 1941 US Enters WWII May 29, 1943 Rockwell's Rosie Appears on the Cover of The Saturday Evening Post