. "1451Z"^^ . . . . . . "Christopher Columbus (/k\u0259\u02C8l\u028Cmb\u0259s/; Italian: Cristoforo Colombo; Spanish: Crist\u00F3bal Col\u00F3n; Portuguese: Crist\u00F3v\u00E3o Colombo; born between 31 October 1450 and 30 October 1451, Genoa; died 20 May 1506, Valladolid) was an Italian explorer, navigator, colonizer and citizen of the Republic of Genoa. Under the auspices of the Catholic Monarchs of Spain, he completed four voyages across the Atlantic Ocean."@en . . "1451-10-31Z"^^ . . . "Admiralof theOcean Sea;Viceroyand Governor of the Indies"@en . "1506-05-20Z"^^ . . . . . "1506Z"^^ . . .