Sir Francis Drake, vice admiral (c. 1540 – 27 January 1596) was an English sea captain, privateer, navigator, slaver, and politician of the Elizabethan era. Drake carried out the second circumnavigation of the world, from 1577 to 1580.Elizabeth I of England awarded Drake a knighthood in 1581. He was second-in-command of the English fleet against the Spanish Armada in 1588. He died of dysentery in January 1596 after unsuccessfully attacking San Juan, Puerto Rico.His exploits were legendary, making him a hero to the English but a pirate to the Spaniards to whom he was known as El Draque. King Philip II was said to have offered a reward of 20,000 ducats, about £4 million (US$6.5M) by modern standards, for his life.