Columbus's second voyage

Between 1492 and 1504, Italian explorer Christopher Columbus led four Spanish transatlantic maritime expeditions of discovery to the Americas. These voyages led to the widespread knowledge of the New World. This breakthrough inaugurated the period known as the Age of Discovery, which saw the colonization of the Americas, a related biological exchange, and trans-Atlantic trade. These events, the effects and consequences of which persist to the present, are often cited as the beginning of the modern era.

Born in the Republic of Genoa, Columbus was a navigator who sailed for the Crown of Castile (a predecessor to the modern Kingdom of Spain) in search of a westward route to the Indies, thought to be the East Asian source of spices and other precious oriental goods obtainable only through arduous overland routes. Columbus was partly inspired by 13th-century Italian explorer Marco Polo in his ambition to explore Asia and never admitted his failure in this, incessantly claiming and pointing to supposed evidence that he had reached the East Indies. Ever since, the Bahamas as well as the islands of the Caribbean have been referred to as the West Indies.

At the time of Columbus's voyages, the Americas were inhabited by Indigenous Americans. Soon after first contact, Eurasian diseases such as smallpox began to devastate the indigenous populations. Columbus participated in the beginning of the Spanish conquest of the Americas, which involved brutally treating and enslaving the natives in the range of thousands.

Columbus died in 1506, and the next year, the New World was named "America" after Amerigo Vespucci, who realized that it was a unique landmass. The search for a westward route to Asia was completed in 1521, when another Spanish voyage, the Magellan-Elcano expedition sailed across the Pacific Ocean and reached Southeast Asia, before returning to Europe and completing the first circumnavigation of the world.

Background

Many Europeans of Columbus's day assumed that a single, uninterrupted ocean surrounded Europe and Asia, although Norse explorers had colonized areas of North America beginning with Greenland .The Fate of Greenland's Vikings
, by Dale Mackenzie Brown, ''Archaeological Institute of America'', February 28, 2000. Accessed September 26, 2020. The Norse maintained a presence in North America for hundreds of years, but contacts between their North American settlements and Europe had all but ceased by the early 15th century.

Until the mid-15th century, Europe enjoyed a safe land passage to China and India—sources of valued goods such as silk, spices, and opiates—under the hegemony of the Mongol Empire (the '' Pax Mongolica'', or Mongol Peace). With the Fall of Constantinople to the Turkish Ottoman Empire in 1453, the land route to Asia (the Silk Road) became more difficult as Christian traders were prohibited.

Portugal was the main European power interested in pursuing trade routes overseas, with the neighboring kingdom of Castile—predecessor to Spain—having been somewhat slower to begin exploring the Atlantic because of the land area it had to reconquer from the Moors during the '' Reconquista''. This remained unchanged until the late 15th century, following the dynastic union by marriage of Queen Isabella I of Castile and King Ferdinand II of Aragon (together known as the Catholic Monarchs of Spain) in 1469, and the completion of the ''Reconquista'' in 1492, when the joint rulers conquered the Moorish kingdom of Granada, which had been providing Castile with African goods through tribute. The fledgling Spanish Empire decided to fund Columbus's expedition in hopes of finding new trade routes and circumventing the lock Portugal had secured on Africa and the Indian Ocean with the 1481 papal bull ''Aeterni regis''.

Navigation plans

In response to the need for a new route to Asia, by the 1480s, Christopher and his brother Bartholomew had developed a plan to travel to the Indies (then construed roughly as all of southern and eastern Asia) by sailing directly west across what was believed to be the singular "Ocean Sea," the Atlantic Ocean. By about 1481, Florentine cosmographer Paolo dal Pozzo Toscanelli sent Columbus a map depicting such a route, with no intermediary landmass other than the mythical island of Antillia. In 1484 on the island of La Gomera in the Canaries, then undergoing conquest by Castile, Columbus heard from some inhabitants of El Hierro that there was supposed to be a group of islands to the west.

A popular misconception that Columbus had difficulty obtaining support for his plan because Europeans thought the Earth was flat can be traced back to a 17th-century campaign of Protestants against Catholicism, and was popularized in works such as Washington Irving's 1828 biography of Columbus. In fact, the knowledge that the Earth is spherical was widespread, having been the general opinion of Ancient Greek science, and gaining support throughout the Middle Ages (for example, Bede mentions it in ''The Reckoning of Time''). The primitive maritime navigation of Columbus's time relied on both the stars and the curvature of the Earth.Russell, Jeffrey Burton (1991). ''Inventing the Flat Earth. Columbus and modern historians'', Praeger, New York, Westport, London 1991.

Diameter of Earth and travel distance estimates

Eratosthenes had measured the diameter of the Earth with good precision in the 2nd century BC,Sagan, Carl. ''Cosmos''; the mean circumference of the Earth is 40,041 km (about 22,000 nautical miles or 25,000 miles). and the means of calculating its diameter using an astrolabe was known to both scholars and navigators. Where Columbus differed from the generally accepted view of his time was in his incorrect assumption of a significantly smaller diameter for the Earth, claiming that Asia could be easily reached by sailing west across the Atlantic. Most scholars accepted Ptolemy's correct assessment that the terrestrial landmass (for Europeans of the time, comprising Eurasia and Africa) occupied 180 degrees of the terrestrial sphere, and dismissed Columbus's claim that the Earth was much smaller, and that Asia was only a few thousand nautical miles to the west of Europe.

Columbus believed the incorrect calculations of Marinus of Tyre, putting the landmass at 225 degrees, leaving only 135 degrees of water. Moreover, Columbus underestimated Alfraganus's calculation of the length of a degree, reading the Arabic astronomer's writings as if, rather than using the Arabic mile (about 1,830 m), he had used the Italian mile (about 1,480 meters). Alfraganus had calculated the length of a degree to be 56⅔ Arabic miles (66.2 nautical miles). Columbus therefore estimated the size of the Earth to be about 75% of Eratosthenes's calculation, and the distance from the Canary Islands to Japan as 2,400 nautical miles (about 23% of the real figure).

Trade winds

There was a further element of key importance in the voyages of Columbus, the trade winds. He planned to first sail to the Canary Islands before continuing west by utilizing the northeast trade wind. Part of the return to Spain would require traveling against the wind using an arduous sailing technique called beating, during which almost no progress can be made. To effectively make the return voyage, Columbus would need to follow the curving trade winds northeastward to the middle latitudes of the North Atlantic, where he would be able to catch the "westerlies" that blow eastward to the coast of Western Europe.

The navigational technique for travel in the Atlantic appears to have been exploited first by the Portuguese, who referred to it as the ''volta do mar'' ('turn of the sea'). Columbus's knowledge of the Atlantic wind patterns was, however, imperfect at the time of his first voyage. By sailing directly due west from the Canary Islands during hurricane season, skirting the so-called horse latitudes of the mid-Atlantic, Columbus risked either being becalmed or running into a tropical cyclone, both of which, by chance, he avoided.

Funding campaign

Around 1484, King John II of Portugal submitted Columbus's proposal to his experts, who rejected it on the basis that Columbus's estimation of a travel distance of 2,400 nautical miles was about four times too low (which was accurate).

In 1486, Columbus was granted an audience with the Catholic Monarchs, and he presented his plans to Isabella. She referred these to a committee, which determined that Columbus had grossly underestimated the distance to Asia. Pronouncing the idea impractical, they advised the monarchs not to support the proposed venture. To keep Columbus from taking his ideas elsewhere, and perhaps to keep their options open, the Catholic Monarchs gave him an allowance, totaling about 14,000 ''maravedís'' for the year, or about the annual salary of a sailor.

In 1488 Columbus again appealed to the court of Portugal, receiving a new invitation for an audience with John II. This again proved unsuccessful, in part because not long afterwards Bartolomeu Dias returned to Portugal following a successful rounding of the southern tip of Africa. With an eastern sea route now under its control, Portugal was no longer interested in trailblazing a western trade route to Asia crossing unknown seas.

In May 1489, Isabella sent Columbus another 10,000 ''maravedis'', and the same year the Catholic Monarchs furnished him with a letter ordering all cities and towns under their domain to provide him food and lodging at no cost.

As Queen Isabella's forces neared victory over the Moorish Emirate of Granada for Castile, Columbus was summoned to the Spanish court for renewed discussions. He waited at King Ferdinand's camp until January 1492, when the monarchs conquered Granada. A council led by Isabella's confessor, Hernando de Talavera, found Columbus's proposal to reach the Indies implausible. Columbus had left for France when Ferdinand intervened, first sending Talavera and Bishop Diego Deza to appeal to the queen. Isabella was finally convinced by the king's clerk Luis de Santángel, who argued that Columbus would bring his ideas elsewhere, and offered to help arrange the funding. Isabella then sent a royal guard to fetch Columbus, who had travelled several kilometers toward Córdoba.

In the April 1492 " Capitulations of Santa Fe", Columbus was promised he would be given the title "Admiral of the Ocean Sea" and appointed viceroy and governor of the newly claimed and colonized for the Crown; he would also receive ten percent of all the revenues from the new lands in perpetuity if he was successful. He had the right to nominate three people, from whom the sovereigns would choose one, for any office in the new lands. The terms were unusually generous but, as his son later wrote, the monarchs were not confident of his return.

History

First voyage (1492–1493)

For his westward voyage to find a shorter route to the Orient, Columbus and his crew took three medium-sized ships, the largest of which was a carrack (Spanish: ''nao''), the '' Santa María'', which was owned and captained by Juan de la Cosa, and under Columbus's direct command. The other two were smaller caravels; the name of one is lost, but it is known by the Castilian nickname '' Pinta'' ("painted one"). The other, the ''Santa Clara'', was nicknamed the ''Niña'' ("girl"), perhaps in reference to her owner, Juan Niño of Moguer. The ''Pinta'' and the ''Niña'' were piloted by the Pinzón brothers ( Martín Alonso and Vicente Yáñez, respectively). On the morning of 3 August 1492, Columbus departed from Palos de la Frontera, going down the Rio Tinto and into the Atlantic.

Three days into the journey, on 6 August 1492, the rudder of the ''Pinta'' broke. Martín Alonso Pinzón suspected the owners of the ship of sabotage, as they were afraid to go on the journey. The crew was able to secure the rudder with ropes until they could reach the Canary Islands, where they arrived on 9 August. The ''Pinta'' had its rudder replaced on the island of Gran Canaria, and by September 2 the ships rendezvoused at La Gomera, where the ''Niña''s lateen sails were re-rigged to standard square sails. Final provisions were secured, and on 6 September the ships departed San Sebastián de La Gomera

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