At the time when Christopher Columbus was in correspondence with the astronomer Toscanelli, he learnt that the latter, at the request of Alphonso V., King of Portugal, had sent to the king a learned Memoir upon the possibility of reaching the Indies by the western route. Columbus was consulted, and supported the ideas of Toscanelli with all his influence; but without result, for the King of Portugal, who was engaged at the time in war with Spain, died, without having been able to give any attention to maritime discoveries. His successor, John II., adopted the plans of Columbus and Toscanelli with enthusiasm. At the same time, with most reprehensible cunning, he tried to deprive these two savants of the benefit of their proposition; without telling them, he sent out a caravel to attempt thi
