Another nobleman in this country is said to have formed a school on the Sagres peninsula to teach explorers and map-makers.
This country was once ruled by a man who wrote a horseback treatise titled The Art of Riding on Every Saddle. One of its rulers had children known as the "Illustrious Generation," the sons of Philippa of Lancaster. This country decisively defeated a combined Venetian, Ottoman, and Egyptian fleet at the Battle of Diu. It effectively began its empire by conquering Ceuta from the Muslims, and it gave various people the title "Duke of (*) Goa." Another nobleman in this country is said to have formed a school on the Sagres peninsula to teach explorers and map-makers. With its eastern neighbor, it signed the Treaty of Tordesillas, and it employed such explorers as Pedro Cabral and Vasco da Gama. For 10 points, name this modern day European country, once the home to Prince Henry the Navigator.
This country was once ruled by a man who wrote a horseback treatise titled The Art of Riding on Every Saddle.
Portugal [accept Portuguese Republic]