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Explorers
People have been exploring the
world for centurieslearning from previous discoveries, contributing their own, and
adding to the store of geographic knowledge. Italian-Spanish navigator Christopher
Columbus read the book The Travels of Marco Polo (1298), with its rich details of
China, and drew inspiration to sail west across the Atlantic Ocean in search of Asia.
Instead of reaching China, he encountered the Caribbean Sea. History is full of explorers
who made such unexpected discoveries. These led to new maps and new knowledge of the
world.
People explored for fame, fortune, and
adventure. They explored to be first. Antarctic explorers Sir Ernest Shackleton, Roald
Amundsen, and Robert Falcon Scott raced to be the first person to reach the South Pole.
Some, like Amundsen, achieved their goal, while others, like Scott, died in the attempt.
Today the last unknown region in the
world is the deep ocean. Inventions like Swiss physicist Auguste Piccard's bathyscaphe,
which can descend to great depths, offer new vehicles to explore that uncharted world.
Juan Ponce de León
As governor of
Boriquén (Puerto Rico) from 1510 to 1512, Spanish explorer Juan Ponce de León heard
Native American tales of a fountain of youth on an island called Bimini (in the Bahamas).
The Native Americans claimed the fountain's water provided eternal youth to anyone who
drank it.
Ponce de León got his opportunity to search
for the mythical fountain in 1512 after he was removed as governor of Puerto Rico. As a
favor to Ponce de León, King Ferdinand V of Spain authorized the explorer to search for
Bimini.
Ponce de León failed to find the fountain of
youth, but his search led to another discovery. In 1513 he landed in Florida and became
the first European explorer to reach the mainland of what later became the United States.
Ponce de León tried unsuccessfully to colonize Florida in 1521. His attempt encouraged
later expeditions by Spanish explorers Pánfilo de Narváez and Hernando de Soto.
Christopher Columbus
I INTRODUCTION

Columbus, Christopher
(Italian Cristoforo Colombo, Spanish Cristóbal Colón) (1451-1506),
Italian-Spanish navigator who sailed west across the Atlantic Ocean in search of a route
to Asia but achieved fame by making landfall, instead, in the Caribbean Sea. Columbus was
born in Genoa, Italy. His father was a weaver, and it is believed that Christopher entered
this trade as a young man. Information about the beginning of his seafaring career is
uncertain, but the independent city-state of Genoa had a busy port, and he may have sailed
as a commercial agent in his youth. In the mid-1470s he made his first trading voyage to
the island of Khíos (or Chios), in the Aegean Sea. In 1476 he sailed with a convoy bound
for England. Legend has it that the fleet was attacked by pirates off the coast of
Portugal, where Columbuss ship was sunk, but he swam to shore and took refuge in
Lisbon. Settling there, where his brother Bartholomew Columbus was working as a
cartographer, he was married in 1479 to the daughter of the governor of the island of
Porto Santo. Diego Columbus, the only child of this marriage, was born in 1480.
Based on information acquired during his travels, and by
reading and studying charts and maps, Christopher concluded that the earth was 25 percent
smaller than was previously thought, and composed mostly of land. On the basis of these
faulty beliefs, he decided that Asia could be reached quickly by sailing west. In 1484 he
submitted his theories to John II, king of Portugal, petitioning him to finance a westward
crossing of the Atlantic Ocean. His proposal was rejected by a royal maritime commission
because of his miscalculations and because Portuguese ships were already rounding Africa.
Soon after, Columbus moved to Spain, where his plans won
the support of several influential persons, and he secured an introduction, in 1486, to
Isabella I, queen of Castile. About this time, Columbus, then a widower, met Beatriz
Enriquez, who became his mistress and the mother of his second son, Ferdinand Columbus. In
Spain, as in Portugal, a royal commission rejected his plan. Columbus continued to seek
support, however, and in April 1492 his persistence was rewarded: Ferdinand V, king of
Castile, and Queen Isabella agreed to sponsor the expedition. The signed contract
stipulated that Columbus was to become viceroy of all territories he located; other
rewards included a hereditary peerage and one-tenth of all precious metals found within
his jurisdiction.
II FIRST VOYAGE
The modest expedition consisted of the Santa María,
a decked ship about 30 m (about 100 ft) long under his command, and the Pinta and
the Niña, two small caravels, each about 15 m (about 50 ft) long, which were
commanded by Martín Alonzo Pinzón and his brother Vicente Yáñez Pinzón. The fleet
sailed from Palos de la Frontera, Spain, on August 3, 1492, carrying perhaps 90 men. Three
days out, the mast of the Pinta was damaged, forcing a brief stop at the Canary
Islands. On September 6 the three vessels again weighed anchor and sailed due west.
Columbus maintained this course until October 7, when, at the suggestion of Martín
Pinzón, it was altered to southwest. Meanwhile, the experienced crews grumbled about
their foreign commanders failure to find his way, until signs appeared that they
were approaching landfall.
Before dawn on October 12 land was sighted, and early in
the morning the expedition landed on Guanahani, an island in the Bahamas. Before an
audience of uncomprehending islanders, Columbus claimed that, by right of conquest, their
island now belonged to Spain and renamed it San Salvador ("Holy Savior").
Additional landings made during the next few weeks included the islands of Cuba, which
Columbus named Juana, in honor of a Spanish princess, and Española, later corrupted to
Hispaniola (now the Dominican Republic and Haiti), all believed by Columbus to be in Asian
waters.
In December, the Santa María was wrecked off the
coast of Española. La Navidad, a makeshift fort, was built of materials salvaged from the
vessel, and garrisoned with fewer than 40 men. The Niña, with Columbus in command,
and the Pinta began the homeward voyage in January 1493. After storms drove the
ships first to the Azores and then to Lisbon, Columbus arrived at Palos de la Frontera,
Spain, in March. He was enthusiastically received by the Spanish monarchs, who confirmed
the honors guaranteed by his contract. Additional honors followed, including a noble
title.
III SECOND VOYAGE
Columbus planned immediately for a second
expedition, with 17 vessels and about 1500 men, which left Spain in September 1493.
Landings were made on the islands of Dominica, Guadeloupe, and Antigua. His stop at Puerto
Rico is the closest he came to setting foot on land that would later form part of the
United States, the main foundation for the claim that Columbus "discovered
America."
On November 27 the
vessels anchored off La Navidad, where the fort had been destroyed and its men killed.
Columbus abandoned the ruins, and near what is now Cape Isabella, Dominican Republic, he
established the colony of Isabella, which became the first settlement of Europeans in the
New World. Leaving the colony on an exploratory voyage in the spring of 1494, he surveyed
the coast of Cuba, which he insisted was not an island but part of the Asian mainland, and
looked over the island of Jamaica.
When Columbus returned to Isabella on
September 29, he found that serious dissension had developed among the colonists, a number
of whom were already en route to Spain to press their grievances. One of the major
problems confronting Columbus was the hostility of the islanders, whose initial
friendliness had been alienated by the brutality of the Europeans. Columbus defeated the
islanders in battle in March 1495 and shipped a large number of them to Spain to sell as
slaves. Queen Isabella objected, however, and the survivors were returned. A royal
investigating commission arrived at Isabella in October 1495. Because this group was
consistently critical of his policies, Columbus established a new capital named Santo
Domingo, and sailed for Spain leaving Bartholomew in command. He reported directly to
Ferdinand and Isabella, who dismissed the critical charges. The sovereigns promised to
subsidize a new fleet, but since enthusiasm for the unproductive enterprise had waned,
nearly two years elapsed before eight vessels were sent out.
IV THIRD AND FOURTH VOYAG ES
Columbus set sail on his third
voyage on May 30, 1498. His first landing, made on July 31, was the three-peaked island of
Trinidad, named in honor of the Holy Trinity. He then sighted what is now Venezuela. After
cruising along the coast he sailed into the Gulf of Paria. At the mouth of the Orinoco
River he led a party ashore. In his logbook he wrote that he had found a "New
World," unknown as yet to Europeans. Columbus set sail again, encountering several
additional islands, including Margarita, and then laid a course for Española.
Arriving at Santo Domingo on August 31,
Columbus found part of the colony in revolt against his brother. He placated the rebels
and intensified effortsfruitless, as it turned outto convert the Native
Americans to Christianity. He also expanded the colonys gold-panning operations.
Meanwhile, his enemies in Spain had convinced the monarchs that Española should have a
new governor. In May 1499, the crown removed Columbus and appointed Francisco de
Bobadilla, who arrived on August 23, 1500, and promptly had Columbus and Bartholomew
arrested, shackled in irons, and returned to Spain. Columbus insisted on wearing his
chains until the queen removed them. The monarchs pardoned the brothers and rewarded them,
but refused to restore Columbus to his post. Bobadilla, however, was replaced as governor
by Nicolás de Ovando.
Although Columbus obtained royal support for a fourth
voyage to continue his search for a westward passage to Asia, only four worm-eaten
caravels were put at his disposal and he was forbidden to stop at Española. The
expedition sailed from Cádiz in May 1502. The ships were in desperate need of repair by
the end of the speedy 21-day crossing. Columbus anchored off Santo Domingo, but he was
denied permission to enter the harbor despite an approaching hurricane. The storm
annihilated a homeward-bound fleet carrying his enemies, including Bobadilla. Only the
ship with Columbuss gold on board arrived safely.
After completing
makeshift repairs on his vessels, Columbus sailed the waters off Honduras, and then
cruised south along the coast of Central America for nearly six months in search of the
elusive westward passage. In January 1503 he landed in Panama and established a settlement
there, but mutiny in the crew and trouble with the islanders led to its abandonment. The
expedition, reduced to two caravels, sailed for Española, but the rotten ships foundered
near Jamaica on June 23, 1503. Columbus sent to Española for help, meanwhile forcing the
islanders to provide food for his men. Relief arrived after a lapse of nearly a
yeara deliberate delay by Ovando. The stranded party embarked on June 28, 1504, for
Santo Domingo, and then sailed for Spain, reaching Sanlúcar de Barrameda on November 7.
Columbus would never sail again.
The final months of his life were marked by
illness and vain attempts to secure restitution from King Ferdinand of all his privileges,
even though by then Columbus was quite wealthy. He died on May 20, 1506, at Valladolid.
His remains were later interred in Sevilla (Seville), then transferred to Santo Domingo,
moved to Havana, Cuba, and finally returned to Sevilla in 1899. (Some historians think the
bones removed from Santo Domingo were not his, so his remains may still be there.)
Wherever Columbus rests, modern research has considerably diminished the heroic reputation
he had gained by the 19th century, although his maritime skills continue to be celebrated.
Contributed
By:
Marvin Lunenfeld
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I INTRODUCTION
Magellan, Ferdinand (1480?-1521), Portuguese-born
Spanish explorer and navigator, leader of the first expedition to circumnavigate,
or sail completely around, the world. He was born in northern Portugal.
Magellan set out to reach the East Indies by sailing
westward from Europe, which no one was sure could be done. He intended to return by the
same route, but after his death his crews found that the prevailing winds required them to
keep sailing west, around the world.
II EARLY LIFE
Magellan was born Fernão de Magalhães to a noble
Portuguese family; later the Spanish knew him as Fernando de Magallanes. He served as a
court page in his youth, and in 1505 he sailed with a fleet carrying the first Portuguese
viceroy to India. He then served with the fleet in the exploration and conquest of the
East Indies. Twice wounded in battle, he took part in expeditions that captured the
kingdom of Malacca (Melaka) in the Malay Peninsula of southeast Asia. He explored the
islands of present-day Indonesia as far east as the Moluccas, or Spice Islands. By 1510 he
was promoted to the rank of captain.
In 1512 Magellan returned to Portugal, and in 1513 he
battled the Moors in Morocco. He was wounded again and left with a permanent limp. Soon
afterward he lost favor with King Manuel of Portugal, probably because of charges of
financial irregularities while he was in Morocco. The king canceled a promotion Magellan
had received for his valor against the Moors and later denied his request for a fleet to
prove that the Moluccas could be reached by sailing west.
III THE PLAN FOR THE VOYAGE
Magellan renounced his Portuguese citizenship and in 1517
went to Spain to seek support for his plan from King Charles I (later Holy Roman Emperor
Charles V). Magellan believed there was a passage to the west through or around South
America. Such a passage would be of great value to the Spanish, who wanted a share in the
lucrative trade in spices from the Moluccas. Portugal controlled the eastward route to the
East Indies, around Africas Cape of Good Hope, and would not allow Spanish ships to
pass.
Magellan offered an additional argument to the king. The
1494 Treaty of Tordesillas between Spain and Portugal had divided the world between the
two powers. The Portuguese hemisphere was east of a north-south line that ran through
Brazil. The Spanish half was west of the line. However, the position of the line on the
other side of the globe was unknown. Magellan argued that at least some of the Moluccas
might lie within the Spanish hemisphere. The only way to be sure was to measure the
distance around the earth by sailing west to the Moluccas, since their distance from Spain
by the eastern route was known.
IV START OF THE EXPEDITION
Magellan won the kings approval for his voyage. A
fleet of five vessels was outfitted and sailed from Sanlúcar de Barrameda, Spain, with
about 250 men on September 20, 1519. Magellan sailed through familiar waters along the
west coast of Africa and then south to the equator. There the fleet turned south-southwest
and crossed the Atlantic to a point near Recife in Brazil.
Magellan searched down the
coast of South America for a passage through the continent. In December he stopped at Rio
de Janeiro, where the sailors traded with the Native Americans for provisions. Continuing
south, he explored every likely inlet, especially the mouth of the Río de la Plata, which
he briefly thought was the passage because it was so wide. As the southern winter
approached in April, the ships took shelter from storms in Port San Julián, now in
Argentina. During five months there, Magellan suppressed a mutiny of his Spanish officers,
who were jealous because Magellan was Portuguese. One ship was lost when it was driven
ashore during an exploratory voyage.
In August the voyage resumed. The four small
craft pressed farther south, past the 50th parallel to the Rio Santa Cruz, where
additional provisions were acquired. Three days after leaving this refuge, they rounded a
large cape and found a wide inlet. Against his sailors advice, Magellan sent out two
ships to explore this body of water. After two days the vessels were thought to be lost,
but then they returned to report that they had passed through two bays connected by narrow
passages and had seen a third bay beyond.
Uncertain but hopeful, Magellan pressed on
through the strait, which was dangerously narrow and winding in many places. On the other
side of the third bay, two passages were sighted; Magellan ordered them to be explored.
During the night one ship mutinied and sailed back to Spain. Undaunted, Magellan pressed
on. To the south was a stark, forbidding land, dotted with fires, which he named Tierra
del Fuego, Spanish for "Land of Fire." After several days the western
passage led into a long channel, running northwest, that opened onto a great ocean. The
ships sailed forth on November 28, 1520, having taken 38 grueling days to negotiate 579 km
(360 mi) of icy water lined with snow-clad mountains. The route they used is now known as
the Strait of Magellan.
V THE PACIFIC
Because it was calm, Magellan named the ocean Pacific.
Although favored by the weather, the fleet suffered greatly in another way. Magellan had
underestimated the oceans size, and his course was too far north to encounter the
fruitful southern island groups such as Tuamotu and Samoa Islands. The fresh food and
water were used up, causing scurvy, a wasting disease that results from lack of
vitamin C in the diet. They were reduced to eating the leather rope guards, then sawdust
and even rats. Many died. After 98 days, the fleet finally reached an islandprobably
Guamin the western Pacific. During bargaining for supplies, the natives stole a wide
variety of objects, and for this reason Magellan named the islands the Islas de
Ladrones (Islands of Thieves). Later they were renamed the Mariana Islands.
From the Marianas, Magellan
sailed southwest to the island of Mindanao in the Philippines, where he converted two
local rulers to Christianity. From Mindanao he sailed to Cebu Island, where he made more
converts. After converting Humabon, ruler of Cebu, he supported Humabon in a battle with a
rival chieftain, Lapu-Lapu. Magellan was killed in the battle, April 27, 1521, while
defending the withdrawal of his landing party. Lapu-Lapu is a Philippines national hero
for resisting this first European invasion.
Although Magellan did not complete the
voyage, he is considered the first person to circle the world because Cebu is west of the
Moluccas. Sailing west, he had reached a point beyond the point he had reached earlier
when sailing east.
VI RETURN TO SPAIN
After Magellans death, one ship was abandoned because
not enough sailors were left to handle three vessels. Captain Juan Sebastián del Cano
took command of the reduced fleet and brought it to its goal, the Moluccas, where he took
on a cargo of cloves. One ship tried to return across the Pacific but was forced back by
the winds and then captured by the Portuguese, who interned its crew. Cano made the long
westward return voyage with one last ship, the Victoria. After a difficult voyage,
with a remaining crew of 18, the Victoria reached Sanlúcar de Barrameda on
September 6, 1522, almost three years to the day after setting forth. The cargo of cloves
sold for such a high price that, despite losing four out of five vessels, the voyage
earned a profit.
VII RESULTS OF THE VOYAGE The voyage strengthened the Spanish claim
to the Moluccas, although Portugal never accepted it. More importantly, Magellans
great achievement was to confirm that the earth is round, measure its circumference,
determine the length of a degree of latitude, and show that the worlds oceans were
connected. Magellans secretary, an Italian named Antonio Pigafetta, who published
his journal of the voyage, was among the first persons to note that the westward circling
of the earth results in the loss of one calendar day (seeInternational Date Line).
The passage through the Strait of Magellan
was an impractical route to the Moluccas, and Spain sold its interests there to Portugal.
Nevertheless the voyage laid the foundation for trade across the Pacific. Spain did not
immediately recognize the importance of the Philippines, but that countrys chief
city, Manila, became the greatest Spanish trading center in East Asia by the end of the
16th century.
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Lewis and Clark Expedition
In 1803 United States
President Thomas Jefferson commissioned army officers Meriwether Lewis and William Clark
to lead the first American overland exploration of the West and the Pacific Northwest. The
primary mission of the Lewis and Clark expedition was to find a Northwest Passage, a
long-sought water route between the Atlantic and Pacific oceans.
Lewis and Clark embarked from St. Louis,
Missouri, in May 1804, beginning a journey that lasted 28 months and covered more than
12,900 km (more than 8000 mi). The expedition navigated up the Missouri River, crossed the
Rocky Mountains, and floated down the Columbia River to the Pacific Ocean. The expedition
returned to St. Louis in September 1806.
Lewis and Clark mapped the land, collected
flora and fauna, gathered information about water routes for future trade purposes, and
took notes on Native American culture and languages. During the arduous journey, only one
expedition member died.
The Lewis and Clark expedition failed to find
a Northwest Passage, but it provided extensive information on geography, Native Americans,
and the vast resources available in the American West. The expedition also encouraged
further federal and private explorations of the West and Northwest.
I INTRODUCTION Lewis and Clark Expedition, first United States overland
exploration of the American West and Pacific Northwest, beginning in May 1804 and ending
in September 1806. The expedition was commissioned by President Thomas Jefferson and led
by army officers Meriwether Lewis and William Clark. The exploration covered a total of
about 13,000 km (about 8000 mi), from a camp outside St. Louis to the Pacific Ocean and
back. Like other scholars in his time, Jefferson believed in the existence of a Northwest
Passage, or some kind of water connection between the Atlantic and Pacific Oceans. The
principal goal of the expedition was to locate such a route and survey its potential as a
waterway for American westward expansion. Although Lewis and Clark did not find this
route, the expedition succeeded in making peaceful contact with Native Americans and
uncovering a wealth of knowledge about the peoples, geography, plants, and animals of the
western United States.
II BACKGROUND
Although Jefferson had long been interested in the American
West, it was not until 1802 that he began to plan an expedition to the Pacific. After
reading Voyages from Montréal (1801) by Canadian explorer and fur trader Sir
Alexander Mackenzie in the summer of 1802, the president began to make preparations for an
American expedition aimed at countering Mackenzies plans to make the West and
Pacific Northwest part of the British Empire. Influenced by the renowned 18th-century
journeys of Captain James Cook and Captain George Vancouver, Jefferson envisioned an
official expedition that combined diplomatic, scientific, and commercial goals. He
believed that the nation that dominated a water passage through the continent could
control the destiny of all North America. He was also convinced that the West would be a
paradise for American farmers.
III PREPARATIONS
The president turned to his
young private secretary, Captain Meriwether Lewis, for leadership in this enterprise. An
army officer and experienced naturalist, Lewis had the background, energy, and dedication
to fulfill the challenging assignment. In June 1803 Jefferson completed his demanding
exploration instructions after receiving advice from leading American scientists,
including physicians Benjamin Rush and Benjamin Smith Barton, and the noted surveyor
Andrew Ellicott. In a detailed letter now recognized as a classic exploration document,
Jefferson itemized more than a dozen areas of inquiry for the expedition, ranging broadly
from astronomy and botany to linguistics and zoology. The president sought information
about plants, animals, rivers, mountains, and native cultures.
The size of the expeditions task was enormous, and
Lewis soon turned to William Clark, a friend from his army days in Ohio, to act as
co-commander. Despite the fact that Clark was officially a lieutenant, and therefore of
lower rank than Lewis, a captain, Jefferson and Lewis considered Clark an equal leader of
the party.
In 1803, after Jefferson had written his instructions for
the team, the United States acquired a vast portion of the central North American
continent from France in the Louisiana Purchase. The land purchase increased the
importance of the expedition. Since the team would now be exploring United States lands,
Lewis and Clark had the added duty of announcing American sovereignty in the new
territory.
IV THE EXPEDITION
The Corps of Discovery, as the expedition party was
properly known, demanded more people than Jefferson first imagined. Before reaching their
base camp at Wood River outside St. Louis, Lewis and Clark recruited a sizable number of
civilian hunters, army soldiers, and French boatmen. While not all made the entire journey
to the Pacific, some 48 men were part of the team when it left St. Louis heading up the
Missouri River. The expedition roster included Clarks slave, York, who some Native
Americans called "Big Medicine," along with many other adventurers who came to
play a major role in American expansion, such as John Colter and George Drouillard. The
Corps and its supplies went up the river on a large keelboat (a riverboat used for
freight) and several smaller boats.
A The Voyage Westward
The Corps of Discoverys
route across the continent was dictated by Jeffersons notions of American geography.
The president believed that the most practical passage across the continent followed the
Missouri River to its headwaters in the Rocky Mountains. Once over the mountains by a
short and easy portage, he was sure that his explorers would find another river leading
directly to the ocean. However, the presidents assumptions about geography did not
match Western realities.
As commanding officers for the expedition,
Lewis and Clark informally divided leadership responsibilities: Lewis became the
partys naturalist, and Clark served as the mapmaker and negotiator. The expedition
set out on May 21, 1804. In its first season of travel (May to October 1804), the
expedition made its way up the Missouri, built Fort Mandan in present-day North Dakota,
and spent the winter among the Mandan and Hidatsa peoples. Although some of the travel was
physically demanding, this stretch of the river already was well known to St. Louis
merchants and traders. On August 20, 1804, near present-day Sioux City, Iowa, the
expedition suffered its only fatality when Sergeant Charles Floyd died of a ruptured
appendix.
The second travel season (April to December
1805) proved far more challenging as the expedition moved into country unknown to the
nonnatives. The Corps of Discovery now counted 33 members in the permanent party,
including a Native American woman, Sacajawea, her husband, French-Canadian interpreter
Toussaint Charbonneau, and their infant son Baptiste, all of whom joined the group at Fort
Mandan. Sacajawea, a Shoshone, helped the party as an interpreter and peacemaker, and she
proved instrumental in negotiating for horses and supplies along the way.
The expedition struggled around the Great
Falls of the Missouri, searched for a pass over the Continental Divide, and was stunned
not to find a water passage direct from present-day Idaho to the ocean. Instead, the party
labored in deep snow over the Lolo Trail, crossing the border of present-day Montana into
Idaho, then traveled on the Snake River into present-day Washington before finally
reaching the Columbia River. By the time Lewis and Clark reached the Pacific Ocean in
November 1805 and built Fort Clatsop, their winter residence near present-day Astoria,
Oregon, they had a much clearer sense of the continents geographic complexity.
B The Return Voyage
The return journey from Fort Clatsop to St. Louis (March to
September 1806) held its own unique dangers and accomplishments. With several important
exploration tasks still planned, Lewis and Clark divided the Corps of Discovery into two
parties. Clark led one group on a reconnaissance of the Yellowstone River. Meanwhile,
Lewis took a small detachment into present-day north central Montana, thinking that the
course of the Marias River might provide an American claim to fur-rich country in what is
now the province of Alberta. In August the groups reunited on the Missouri River, near the
mouth of the Yellowstone. They arrived in St. Louis on September 23, 1806.
C Relations with the Native Americans and Spanish
The Lewis and Clark
Expedition made a journey through the homelands of native people. What American explorers
called "wilderness" and "unknown" was more properly Native American
homes, gardens, and hunting territories. Without the active support of native people, the
expedition could not have accomplished its goals, much less survived in a sometimes
difficult country. Native people provided Lewis and Clark with vital geographic
information, food, shelter, and transportation. In many ways Sacajawea symbolized the
cooperation between native people and the Corps of Discovery. While she was not a guide in
the fullest sense of the word, her presence assured many Native Americans that the Corps
of Discovery was not a hostile war party.
In two-and-a-half years of travel and
exploration, there was only one fatal encounter between the Corps of Discovery and Native
Americans. The incident occurred during Lewiss exploration of the Marias River. In
late July 1806 Lewiss party came upon a group of Piegan Blackfoot warriors. When the
Piegans attempted to take guns and horses, Lewiss men retaliated, killing two
natives.
While native people saw the expedition more
as an opportunity for trade than as a threat to tribal sovereignty, Spanish officials in
Mexico City had a different reaction to Jeffersons enterprise. The Spanish had long
been deeply suspicious of American ambitions in the West and since the end of the American
Revolution (1775-1783) were certain that the new American republic intended to reach
across the continent to the Pacific. Alerted to the Corps of Discovery, possibly by secret
agent General James Wilkinson, the Spanish made several unsuccessful attempts to stop the
expedition and capture Lewis and Clark.
V AFTERMATH AND ACHIEVEMENTS
Lewis and Clark received a heros welcome when they
returned from the expedition, despite some disappointment that they had not found an easy
water route to the Pacific. After the journey, Jefferson appointed Lewis as governor of
the Louisiana Territory, and Clark became a Native American agent. Until his apparent
suicide in 1809, Lewis had the responsibility for publishing the journals of the trip.
After Lewiss death, Clark and American diplomat and financier Nicholas Biddle took
over the task of compiling the report. They finally published an abridged, two-volume
collection of the journals in 1814. This version left out most of the material the party
had compiled about plant and animal life. A more complete version of the journals was
eventually published in 1905 by American historian Ruben Gold Thwaites.
Thomas Jefferson had repeatedly insisted that the Corps of
Discovery had one central missionto find what he called "the most direct and
practicable water communication across this continent for the purposes of commerce."
However, Lewis and Clark did not find a Northwest Passage, nor did they pioneer the route
that became the Oregon Trail. Although Lewis and Clark strengthened U.S. claims in the
West, American claims in subsequent diplomatic disputes with Britain were based not so
much on Lewis and Clark as on the Columbia River explorations of American explorer Captain
Robert Gray in 1792 and the building of Fort Astoria in 1811. But Jefferson was by no
means disappointed with his Corps of Discovery. The journals, maps, plant and animal
specimens, and notes on Native American societies amounted to a western encyclopedia. The
expedition also established peaceful contact with many Native American peoples. Finally,
the expedition set a pattern for government-sponsored scientific exploration in the United
States.
Contributed
By:
James P. Ronda
Robert Falcon Scott
Shortly before British
explorer Robert Falcon Scott sailed to Antarctica in 1910, attempting to become the first
person to reach the South Pole, he received a telegram from Norwegian explorer Roald
Amundsen that read: "Am going south[,] Amundsen." The telegram meant that
Amundsen was attempting to beat Scott to the South Pole. After years of planning his
expedition, Scott feared that his goal was now threatened.
To reach the South Pole, Scott's expedition
party used sledges powered by motors, ponies, and dogs. In the harsh cold, the motor
sledges soon failed, and the ponies proved impractical for the conditions. But Scott and
four companions pushed on, only to discover that Amundsen had arrived at the South Pole
five weeks earlier.
On the return trip, severe weather and
failing health crippled the expedition team. All five members perished during the journey,
the last three dying within 18 km (11 mi) of a supply depot.
Shortly before he died on March 29, 1912,
Scott wrote a message to the public: "Had we lived, I should have had a tale to tell
of the hardihood, endurance, and courage of my companions which would have stirred the
heart of every Englishman. These rough notes and our dead bodies must tell the tale
"
News of Scott's death did not reach Great
Britain until February 1913. Despite his failure, the public hailed him as the embodiment
of courage, stamina, and stoicism.

Auguste Piccard
In the 1930s Swiss
physicist Auguste Piccard had already explored the stratosphere using hot-air balloons
when he turned his attention to the deep ocean. Piccard wanted to explore this unknown
region using a submersible (underwater craft) that he envisioned as an observatory
and laboratory that could descend to great depths. Submarines had existed as early as the
1620s, but they were limited to a depth of about 304 m (about 1000 ft) and had no windows.
In the mid-1940s Piccard worked to develop a deep-sea vessel that could fulfill his dream.
American explorer Charles William Beebe
anticipated Piccard's work with the invention of a windowed steel diving chamber called a
bathysphere, which enabled Beebe in 1934 to descend to a record depth of 923 m (3028 ft).
The bathysphere had no freedom of movement, however, because it was suspended by a steel
cable from a ship on the surface. It was also highly dangerous; if the cable snapped, the
bathysphere and its occupants could not be saved.
Drawing on Beebe's work, in 1947 Piccard
invented a self-powered deep-sea submersible called a bathyscaphe, and he made a record
descent to 4000 m (13,125 ft) in 1954.
The development of the bathyscaphe allowed
scientists to study the deep ocean at close range for the first time, ushering in a new
era of exploration.
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