Jul 4 Chief Engineer James Geddes begins construction on the Erie Canal, (Rome, New York), one of the first great engineering works in North America
Jul 12 1st flower show held in Dannybrook, County Cork, Ireland
Jul 12 Karl Drais von Sauerbronn demonstrates bicycle course
Jul 18 Selkirk Treaty: Lord Selkirk signs agreement with five chiefs of Sautaux and Cree Nations for land use either side of Red and Assiniboine Rivers - 1st agreement in Western Canada recognizing Indigenous land rights [1]