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Events on Tuesday 7 March 1539 1
1539Marcos de Niza sets out in search of CibolaFranciscan friar's expedition inspires the later search for the Seven CitiesFray Marcos de Niza departed Culiacan with the guide Estevanico to scout lands north of New Spain for viceroy Antonio de Mendoza. His reports of a wealthy city, later disputed as exaggerated, helped prompt the Coronado expedition the following year.