Atlantic waiting to be discovered. That which is certain is that he devoted his life to persuading someone in authority to entrust him with ships and men to make a voyage to the far West. The pilots at Palos backed him, and he finally secured the desired permission and means from Isabella of Castile. Her interest in exploration and colonisation had been shown fifteen years before, in her energetic measures in conquering the Canaries and forcing the Portuguese to renounce their claims to those islands, and she well deserves the title of founder of the colonial empire of Spain. [Illustration: THE AUTHENTIC PORTRAIT OF CHRISTOPHER COLUMBUS.] The story of Columbus's first voyage needs no retelling. He journeyed so far to the west that he returned convinced he had reached the longitude of eastern Asia, and the noise of his great discovery resounded through Europe and began the transformation of the world. Since the last great century--the thirteenth--Christendom had retrograded. The Tartars dominated Russia and the Turks were pressing hard on Germany. Unless the Christian world could find an outlet--unless it could create other resources for itself and outside of itself; unless feudalism should find an employment for its military energies outside of the vicious circle of fruitless and purposeless dynastic wars, it seemed not improbable that Mahometan aggression would continue until all Europe lay under the deadening influence of the Turk. Only in the Peninsula was apparent that spirit of expansion which is the best indication of internal vitality in a nation. The military nobility, whose determined fanaticism, magnificent courage, and spirit of individual initiative had driven the Moors out of Spain in the thirteenth century, welcomed this fresh opportunity to slay the infidel and carve out new fiefs for themselves.