Indian Ocean Ocean, ultimately reaching the coastal countries of East Africa. In 1497 Portuguese navigator Vasco da Gama rounded the Cape of Good Hope and became the first European to sail to India (with the help of an Indian sailor) and later the Far East. The European ships, armed with heavy cannon, quickly dominated trade. Portugal achieved pre-eminence by setting up forts at the important straits and ports. Their hegemony along the coasts of Africa and Asia lasted until the mid 17th century. Later, the Portuguese were challenged by other European powers. The Dutch East India Company (1602–1798) sought control of trade
Castles in Portugal Castles in Portugal Castles in Portugal were crucial components of the military throughout its history. The Portuguese learned the art of building fortifications from the Romans and the Moors. The Romans, who ruled and colonized the territory of current-day Portugal for more than four centuries, built forts with high walls and strong towers to defend their populations. The Moors, who invaded the Iberian Peninsula in the year 711 A.D., brought new stonework and heavily fortified gates to the peninsula. Portugal has well-defined geographic boundaries, with the Atlantic Ocean to the south and west, and rivers and mountains to the east