Portuguese

Antonio de Abreu (????-????)

Led an expedition from Malaya to Sumatra, Java, and the Moluccas (1511)
Alfonso de Albuquerque (1453-1515)

Traveled around soutern Africa, up the east coast, past Arabia to the Persian Gulf, to Goa, then to the Strait of Malacca, as far as Malaya (1507-1511)
Pedro Alvarez Cabral (1460-1526)

Reached Brazil and claimed it for Portugal (1500)
Negotiated the first Indo-Portuguese treaties for trade (1501)
Diogo Cão (c1450-1486)

Sailed down the Africa coast, explored along the Congo River, and went as far south as Cape St. Mary, Angola (1482)
Sailed as far south as Namibia (21° 51' S.), and stopped at the mouth of the Congo River on the return trip (1485)
Pero da Covilhã (????-????)

Sailed from Aden to the Malibar coast of India, then down the east coast of Africa, and back to Arabia (1487-1490)
Bartolomeu Diaz (c1450-c1500)

First European to reach Cape of Good Hope and to establish a route around Africa (1488)
Vasco da Gama (c1469-c1524)

Discovered a route to India via Cape of Good Hope (1495-1499)
Diego Gomez (1440-1482)

Discovered the coast of Liberia (1458)
Ferdinand Magellan (1480-1521)

Sailed around Cape Horn and across the Pacific to the Philippines, where he was killed (1519-1521)
Balance of the trip completed by his crew under Juan del Cano (1521-1522)
Henry the Navigator (1394-1460)

With his navigators, explored and colonized Madeira, Cape Verde Islands, and the Azores
João Rodrigues Cabrilho (????-1543)

Explored the coast of California (1542)