Sir Thomas Cavendish (19 September 1560 – May 1592) was an English explorer and a privateer known as "The Navigator" because he was the first who deliberately tried to emulate Sir Francis Drake and raid the Spanish towns and ships in the Pacific and return by circumnavigating the globe. While members of Magellan's, Loaisa's, Drake's, and Loyola's expeditions had preceded Cavendish in circumnavigating the globe, it had not been their intent at the outset. His first trip and successful circumnavigation made him rich from captured Spanish gold, silk and treasure from the Pacific and the Philippines. His richest prize was the captured 600 ton sailing ship the Manila Galleon Santa Ana (also called Santa Anna). He was knighted by Queen Elizabeth I of England after his return. He later set out for a second raiding and circumnavigation trip but was not as fortunate and died at sea at the age of 32.
Early life 
Cavendish was born in 1560 at Trimley St. Martin near Ipswich, Suffolk, England. His father was William Cavendish; he was a descendant of Roger Cavendish, brother to Sir John Cavendish from whom the Dukes of Devonshire and the Dukes of Newcastle derive their family name of Cavendish.
When Cavendish was 12 he inherited a fortune from his deceased father William. After leaving school at age 17, he spent most of the next 8 years or so on luxurious living. At the age of 15 he attended Corpus Christi College, Cambridge University for two years, but did not take a degree. He was a member of the Parliament for Shaftesbury, Dorset, in 1584. In 1585 he sailed with Sir Richard Grenville to Virginia, gaining much valuable experience but losing money on his investments. He was a member of Parliament for Wilton, 1586.
By July 1586 Spain and England were in a war which would culminate with the Spanish Armada and its threatened invasion of England in 1588. Thomas Cavendish determined to follow Sir Francis Drake by raiding the Spanish ports and ships in the Pacific and circumnavigating the globe. After getting permission for his proposed raids Cavendish built a larger 120 ton sailing ship, with 18 cannons, named the Desire. He was joined by the 60 ton, 10 cannon, ship Content, and the 40 ton ship Hugh Gallant.
Departure and Atlantic crossing 
He anchored first at the island of Santa Magdalena near present day Punta Arenas, Chile. There, in two hours, they killed and salted two barrels-full of penguins for food. After extensive exploration of the many inlets, labyrinths, and intricate channels of the islands and broken lands of Tierra del Fuego and its environs they emerged from the strait into the Pacific on 24 February and sailed up the coast of South America.
Exploring and raiding off the west coast of South America 
There on the Pacific coast he sank or captured 9 Spanish ships and looted several towns of quantities of fresh food, supplies and treasure while intentionally sinking the ship Hugh Gallant to use her crew to replace crew members lost on his other ships.
Capturing a Manila galleon 
One of the captured Spanish ships' pilots revealed that a Manila galleon was expected in October or November 1587 and usually stopped at Cape San Lucas on the Baja California peninsula before going on to Acapulco. The Manila galleons were restricted by the Spanish Monarch to one or two ships/year and typically carried all the goods accumulated in the Philippines in a year's worth of trading silver, from the Mints in Peru and Mexico, with the Chinese and others, for spices, silk, gold and other expensive goods. In 1587 there were two Manila galleons: the San Francisco and the Santa Ana. Unfortunately both encountered a typhoon on leaving the Philippines and were wrecked on the coast of Japan. Only the Santa Ana was salvageable and after repairs resumed her voyage.
Upon reaching the Gulf of California in October 1587 Cavendish and his two ships put in at an island above Mazatlan where they careened their ships to clean their bottoms and made general repairs. They had to dig wells for water. They sailed for Cape San Lucas on the Baja Peninsula and set up patrols to see if they could spot the Manila galleon. Early on 4 November 1587 one of Cavendish's lookouts spotted the 600 ton galleon manned with over 200 men. After a several hour chase the English ships overhauled the Santa Ana--which conveniently had no cannons on board to allow more cargo. After several hours of battle during which Cavendish used his cannon to fire ball and grape shot into the galleon while the Spanish tried to fight back with small arms, the Santa Ana, now starting to sink, finally struck her colours and surrendered.
Because of the great disparity in size the Content and Desire had to pick and choose what rich cargo they wanted to transfer to their ships from the much larger Santa Ana. One hundred and ninety Spaniards (including Sebastián Vizcaíno (1548–1624), later explorer of the California coast), and Filipino crewmen, were set ashore with food and some weapons in a location where they had water and food available. Cavendish kept with him two Japanese sailors, three boys from Manila, a Portuguese traveler familiar with China and a Spanish pilot (navigator). They loaded all the gold (about 100 troy pounds or 122,000 pesos worth) and then picked through the silks, damasks, musks (used in perfume manufacture), spices, wines, and ship's supplies for what they could carry. Some in Mexico claimed that the total value of the cargo was about 2,000,000 pesos. After setting fire to the Santa Ana, the Desire and Content sailed away on 17 November 1587 to begin their voyage across the Pacific Ocean.
While burning, the Santa Ana drifted onto the coast where the Spanish survivors extinguished the flames, re-floated the ship and limped into Acapulco.
The Content was never heard from again. The Desire tried to avoid conflict for the rest of her voyage.
Crossing the Pacific Ocean and exploring the islands of South-east Asia 
After crossing the Pacific Ocean, Cavendish and the Desire arrived at the island of Guam on 3 January 1588. There he traded iron tools for fresh supplies, water and wood, supplied by the natives. On further landings in the Philippines, Java and other islands he traded some of his captured linen and other goods for fresh supplies, water and wood, and collected information about the Chinese and Japanese coasts. He hoped to use this information to augment existing English knowledge of the area and for a possible second voyage. His crew of about 48 men replaced their worn out clothing and bedding with uniforms made out of silken damask.
Return to England 
Cavendish's first voyage was a huge success both financially and otherwise; Cavendish was only 28. The circumnavigation of the globe had been completed in two years and 49 days, nine months faster than Drake, although, like Drake, Cavendish returned with only one of his ships—the Desire with a crew of about 48 men. He was knighted by Queen Elizabeth I of England who was invited to a dinner aboard the Desire. England celebrated both the return of the Desire and the defeat of the Spanish Armada earlier that year.
Second voyage 
Cavendish sailed on a second expedition in August 1591, accompanied by the navigator John Davis. They went further south to the Strait of Magellan and then returned to Brazil, where they lost most of the crew in a battle against the Portuguese at the Village of Vitória. One abandoned sailor, Anthony Knivet, later wrote about his adventures in Brazil. Cavendish set off across the Atlantic towards Saint Helena with the remainder of the crew, but died of unknown causes at age 32, possibly off Ascension Island in the South Atlantic in 1592. The last letter of Cavendish, written to his executor a few days before his death, accuses John Davis of being a "villain" who caused the "decay of the whole action". John Davis continued on with Cavendish's crew and ships and discovered the Falkland Islands, before returning to England with most of his crew lost to starvation and illness.
- Judkins, 2003
- Wilson, Derek (2003). The Circumnavigators. Carroll & Graf. pp. 49–50. ISBN 978-0-7867-1150-5.
- Venn, J.; Venn, J. A., eds. (1922–1958). "Cavendish, Thomas". Alumni Cantabrigienses (10 vols) (online ed.). Cambridge University Press.
- Shurtz, William Lytle; "The Manila Galleon"; p. 303-314; E. P. Dutton & Company, New York, 1939--one of the more complete references
- Geoffrey Treasure, Ian Dawson, Who's who in British history: beginnings to 1901. A-H, Volume 1, Thomas Cavendish
- David Judkins (2003), "Cavendish, Thomas (1560-1592)" in Literature of Travel and Exploration: An Encyclopedia, volume 1.
- Peter Edwards, editor (1988). Last Voyages: Cavendish, Judson, Ralegh: The Original Narratives. Oxford. ISBN 0-19-812894-0
- Richard Hakluyt. Chapter: "The prosperous voyage of the worshipful Thomas Candish..", in Voyages and Discoveries: Principal Navigations, Voyages, Traffiques & Discoveries of the English Nation. Found in volume 8 of the 1907 Everyman's Library edition. Also found in Penguin edition ISBN 0-14-043073-3
- Shurtz, William Lytle; "The Manila Galleon"; p. 303-314; E. P. Dutton & Company, New York, 1939—one of the more complete references
- John D. Neville. "Thomas Cavendish", Heritage Education Program, US National Park Service.
- Christian Isobel Johnstone (1831). Lives and Voyages of Drake, Cavendish, and Dampier. Oliver & Boyd. From Google Books.
- Christian Isobel Johnstone (1892). Early English voyagers : or, The adventures and discoveries of Drake, Cavendish, and Dampier. London : Nelson. From Internet Archive
- Chisholm, Hugh, ed. (1911). "Cavendish, Thomas". Encyclopædia Britannica (11th ed.). Cambridge University Press.