The Lewis and Clark Expedition from May 1804 to September 1806, also known as the Corps of Discovery Expedition, was the first American expedition to cross the western portion of the United States. It began in Pittsburgh, Pennsylvania,made its way westward, and passed through the Continental Divide of the Americas to reach the Pacific coast. The Corps of Discovery was a selected group of US Army volunteers under the command of Captain Meriwether Lewis and his close friend Second Lieutenant William Clark.
The Continental Divide of the Americas is the principal, and largely mountainous, hydrological divide of the Americas. The Continental Divide extends from the Bering Strait to the Strait of Magellan, and separates the watersheds that drain into the Pacific Ocean from those river systems that drain into the Atlantic Ocean and, along the northernmost reaches of the Divide, those river systems that drain into the Arctic Ocean.
The Corps of Discovery was a specially-established unit of the United States Army which formed the nucleus of the Lewis and Clark Expedition that took place between May 1804 and September 1806. The Corps was led jointly by Captain Meriwether Lewis and Second Lieutenant William Clark. Commissioned by President Thomas Jefferson, the Corps' objectives were scientific and commercial – to study the area's plants, animal life, and geography, and to learn how the Louisiana Purchase could be exploited economically.
Meriwether Lewis was an American explorer, soldier, politician, and public administrator, best known for his role as the leader of the Lewis and Clark Expedition, also known as the Corps of Discovery, with William Clark. Their mission was to explore the territory of the Louisiana Purchase, establish trade with, and sovereignty over the natives near the Missouri River, and claim the Pacific Northwest and Oregon Country for the United States before European nations. They also collected scientific data, and information on indigenous nations. President Thomas Jefferson appointed him Governor of Upper Louisiana in 1806. He died of gunshot wounds in what was either a murder or suicide, in 1809.
President Thomas Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before Britain and other European powers tried to claim it. The campaign's secondary objectives were scientific and economic: to study the area's plants, animal life, and geography, and to establish trade with local American Indian tribes. The expedition returned to St. Louis to report its findings to Jefferson, with maps, sketches, and journals in hand.
Thomas Jefferson was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Father who served as the third president of the United States from 1801 to 1809. Previously, he had served as the second vice president of the United States from 1797 to 1801. The principal author of the Declaration of Independence, Jefferson was a proponent of democracy, republicanism, and individual rights, motivating American colonists to break from the Kingdom of Great Britain and form a new nation; he produced formative documents and decisions at both the state and national level.
The Louisiana Purchase was the acquisition of the territory of Louisiana by the United States from France in 1803. In return for fifteen million dollars, or approximately eighteen dollars per square mile, the United States nominally acquired a total of 828,000 sq mi. However, France only controlled a small fraction of this area, with most of it settled by Native Americans; for the majority of the area, what the United States bought was the "preemptive" right to obtain Native American lands by treaty or by conquest, to the exclusion of other colonial powers. The total cost of all subsequent treaties and financial settlements over the land has been estimated to be around 2.6 billion dollars.
The indigenous peoples of the Americas are the pre-Columbian peoples of North, Central and South America and their descendants.
One of Thomas Jefferson's goals was to find "the most direct and practicable water communication across this continent, for the purposes of commerce." He also placed special importance on declaring US sovereignty over the land occupied by the many different Indian tribes along the Missouri River, and getting an accurate sense of the resources in the recently completed Louisiana Purchase.The expedition made notable contributions to science, but scientific research was not the main goal of the mission.
The Missouri River is the longest river in North America. Rising in the Rocky Mountains of western Montana, the Missouri flows east and south for 2,341 miles (3,767 km) before entering the Mississippi River north of St. Louis, Missouri. The river drains a sparsely populated, semi-arid watershed of more than 500,000 square miles (1,300,000 km2), which includes parts of ten U.S. states and two Canadian provinces. Although nominally considered a tributary of the Mississippi, the Missouri River above the confluence is much longer and carries a comparable volume of water. When combined with the lower Mississippi River, it forms the world's fourth longest river system.
During the 19th century, references to Lewis and Clark "scarcely appeared" in history books, even during the United States Centennial in 1876, and the expedition was largely forgotten.Lewis and Clark began to gain attention around the start of the 20th century. Both the 1904 Louisiana Purchase Exposition in St. Louis and the 1905 Lewis and Clark Centennial Exposition in Portland, Oregon showcased them as American pioneers. However, the story remained relatively shallow until mid-century as a celebration of US conquest and personal adventures, but more recently the expedition has been more thoroughly researched.
The Louisiana Purchase Exposition, informally known as the St. Louis World's Fair, was an international exposition held in St. Louis, Missouri, United States, from April 30 to December 1, 1904. Local, state, and federal funds totaling $15 million were used to finance the event. More than 60 countries and 43 of the 45 American states maintained exhibition spaces at the fair, which was attended by nearly 19.7 million people.
The Lewis and Clark Centennial Exposition, commonly also known as the Lewis and Clark Exposition, and officially known as the Lewis and Clark Centennial and American Pacific Exposition and Oriental Fair, was a worldwide exposition held in Portland, Oregon, United States in 1905 to celebrate the centennial of the Lewis and Clark Expedition. While not officially considered a World's Fair by the Bureau of International Expositions, it is often informally described as such; the exposition attracted both exhibits and visitors from around the world. During the exposition's four-month run, it attracted over 1.6 million visitors, and featured exhibits from 21 countries. Portland grew from 161,000 to 270,000 residents between 1905 and 1910, a spurt that has been attributed to the exposition.
In 2004, a complete and reliable set of the expedition's journals was compiled by Gary E. Moulton.In the 2000s, the bicentennial of the expedition further elevated popular interest in Lewis and Clark. As of 1984, no US exploration party was more famous, and no American expedition leaders are more recognizable by name.
For years, Thomas Jefferson had heard of and read accounts about the ventures of various explorers in the western frontier, and consequently had a long-held interest in further exploring this mostly unknown region of the continent. In the 1780s, while Minister to France, Jefferson met John Ledyard in Paris in the 1780s, and they discussed a possible trip to the Pacific Northwest.Jefferson had also read Captain James Cook's A Voyage to the Pacific Ocean (London, 1784), an account of Cook's third voyage, and Le Page du Pratz's The History of Louisiana (London, 1763), all of which greatly influenced his decision to send an expedition. Like Captain Cook, he wished to discover a practical route through the Northwest to the Pacific coast. Alexander Mackenzie had already charted a route in his quest for the Pacific, following the Mackenzie River to the Arctic Ocean in 1789. Mackenzie and his party were the first to cross America north of Mexico to the Pacific when he arrived near Bella Coola, British Columbia in 1793–a dozen years before Lewis and Clark. Mackenzie's accounts in Voyages from Montreal (1801) informed Jefferson of Britain's intent to control the lucrative fur trade of the Columbia River and convinced him of the importance of securing the territory as soon as possible.
John Ledyard was an American explorer and adventurer.
Captain James Cook was a British explorer, navigator, cartographer, and captain in the Royal Navy. He made detailed maps of Newfoundland prior to making three voyages to the Pacific Ocean, during which he achieved the first recorded European contact with the eastern coastline of Australia and the Hawaiian Islands, and the first recorded circumnavigation of New Zealand.
James Cook's third and final voyage took the route from Plymouth via Cape Town and Tenerife to New Zealand and the Hawaiian Islands, and along the North American coast to the Bering Strait.
Two years into his presidency, Jefferson asked Congress to fund an expedition through the Louisiana territory to the Pacific Ocean. He did not attempt to make a secret of the Lewis and Clark expedition from Spanish, French, and British officials, but rather claimed different reasons for the venture. He used a secret message to ask for funding due to poor relations with the opposition Federalist Party in Congress.Congress subsequently appropriated $2,324 for supplies and food, the appropriation of which was left in Lewis's charge.
In 1803, Jefferson commissioned the Corps of Discovery and named Army Captain Meriwether Lewis its leader, who then selected William Clark as second in command. Lewis demonstrated remarkable skills and potential as a frontiersman, and Jefferson made efforts to prepare him for the long journey ahead as the expedition was gaining approval and funding.Jefferson explained his choice of Lewis:
It was impossible to find a character who to a complete science in botany, natural history, mineralogy & astronomy, joined the firmness of constitution & character, prudence, habits adapted to the woods & a familiarity with the Indian manners and character, requisite for this undertaking. All the latter qualifications Capt. Lewis has.
In 1803, Jefferson sent Lewis to Philadelphia to study medicinal cures under Benjamin Rush, a physician and humanitarian. He also arranged for Lewis to be further educated by Andrew Ellicott, an astronomer who instructed him in the use of the sextant and other navigational instruments.Lewis, however, was not ignorant of science and had demonstrated a marked capacity to learn, especially with Jefferson as his teacher. At Monticello, Jefferson possessed an enormous library on the subject of the geography of the North American continent, and Lewis had full access to it. He spent time consulting maps and books and conferring with Jefferson.
The keelboat used for the first year of the journey was built near Pittsburgh PA July 1803 at Lewis' specifications and much of the equipment and provisions were loaded into it when built. Lewis and crew sailed down the Ohio River and met up with Clark near Louisville, Kentucky in October 1803 at the Falls of the Ohio and the core "Nine Young Men" were enlisted into the Corps of Discovery.Their goals were to explore the vast territory acquired by the Louisiana Purchase and to establish trade and US sovereignty over the Indians along the Missouri River. Jefferson also wanted to establish a US claim of "discovery" to the Pacific Northwest and Oregon territory by documenting an American presence there before European nations could claim the land. According to some historians, Jefferson understood that he would have a better claim of ownership to the Pacific Northwest if the team gathered scientific data on animals and plants. However, his main objectives were centered around finding an all-water route to the Pacific coast and commerce. His instructions to the expedition stated:
The object of your mission is to explore the Missouri River, & such principle stream of it, as, by its course and communication with the waters of the Pacific ocean, whether the Columbia, Oregon, Colorado or any other river may offer the most direct & practicable water communication across this continent for the purpose of commerce.
The US mint prepared special silver medals with a portrait of Jefferson and inscribed with a message of friendship and peace, called Indian Peace Medals. The soldiers were to distribute them to the tribes that they met. The expedition also prepared advanced weapons to display their military firepower. Among these was an Austrian-made .46 caliber Girandoni air rifle, a repeating rifle with a 20-round tubular magazine that was powerful enough to kill a deer.The expedition was prepared with flintlock firearms, knives, blacksmithing supplies, and cartography equipment. They also carried flags, gift bundles, medicine, and other items that they would need for their journey.
The route of Lewis and Clark's expedition took them up the Missouri River to its headwaters, then on to the Pacific Ocean via the Columbia River, and it may have been influenced by the purported transcontinental journey of Moncacht-Apé by the same route about a century before. Jefferson had a copy of Le Page's book in his library detailing Moncacht-Apé's itinerary, and Lewis carried a copy with him during the expedition. Le Page's description of Moncacht-Apé's route across the continent neglects to mention the need to cross the Rocky Mountains, and it might be the source of Lewis and Clark's mistaken belief that they could easily carry boats from the Missouri's headwaters to the westward-flowing Columbia.
The Corps of Discovery departed from Camp Dubois at 4 pm on May 14, 1804, and met up with Lewis in St. Charles, Missouri, a short time later, marking the beginning of the voyage to the Pacific coast. As of May 16, 1804, the expedition had 31 members, mostly US Army personnel including captains, sergeants, and privates. The Corps followed the Missouri River westward. Soon, they passed La Charrette, the last Euro-American settlement on the Missouri River.
The expedition followed the Missouri through what is now Kansas City, Missouri, and Omaha, Nebraska. On August 20, 1804, Sergeant Charles Floyd died, apparently from acute appendicitis. He had been among the first to sign up with the Corps of Discovery and was the only member to die during the expedition. He was buried at a bluff by the river, now named after him, 1 mile (2 km) up the river, the expedition camped at a small river which they named Floyd's River. During the final week of August, Lewis and Clark reached the edge of the Great Plains, a place abounding with elk, deer, bison, and beavers.in what is now Sioux City, Iowa. His burial site was marked with a cedar post on which was inscribed his name and day of death.
The Lewis and Clark Expedition established relations with two dozen Indian nations, without whose help the expedition would have risked starvation during the harsh winters and/or become hopelessly lost in the vast ranges of the Rocky Mountains.
The Americans and the Lakota nation (whom the Americans called Sioux or "Teton-wan Sioux") had problems when they met, and there was a concern the two sides might fight. According to Harry W. Fritz, "All earlier Missouri River travelers had warned of this powerful and aggressive tribe, determined to block free trade on the river. ... The Sioux were also expecting a retaliatory raid from the Omaha Indians, to the south. A recent Sioux raid had killed 75 Omaha men, burned 40 lodges, and taken four dozen prisoners."
One of their horses disappeared, and they believed the Sioux were responsible. Afterward, the two sides met and there was a disagreement, and the Sioux asked the men to stay or to give more gifts instead before being allowed to pass through their territory. They came close to fighting several times, and both sides finally backed down and the expedition continued on to Arikara territory. Clark wrote they were "warlike" and were the "vilest miscreants of the savage race".
In the winter of 1804–05, the party built Fort Mandan, near present-day Washburn, North Dakota. Just before departing on April 7, 1805, the expedition sent the keelboat back to St. Louis with a sample of specimens, some never seen before east of the Mississippi. One chief asked Lewis and Clark to provide a boat for passage through their national territory. As tensions increased, Lewis and Clark prepared to fight, but the two sides fell back in the end. The Americans quickly continued westward (upriver), and camped for the winter in the Mandan nation's territory.
After the expedition had set up camp, nearby Indians came to visit in fair numbers, some staying all night. For several days, Lewis and Clark met in council with Mandan chiefs. Here they met a French-Canadian fur trapper named Toussaint Charbonneau, and his young Shoshone wife Sacagawea. Charbonneau at this time began to serve as the expedition's translator. Peace was established between the expedition and the Mandan chiefs with the sharing of a Mandan ceremonial pipe.By April 25, Captain Lewis wrote his progress report of the expedition's activities and observations of the Indian nations they have encountered to date: A Statistical view of the Indian nations inhabiting the Territory of Louisiana, which outlined the names of various tribes, their locations, trading practices, and water routes used, among other things. President Jefferson would later present this report to Congress.
They followed the Missouri to its headwaters, and over the Continental Divide at Lemhi Pass. In canoes, they descended the mountains by the Clearwater River, the Snake River, and the Columbia River, past Celilo Falls, and past what is now Portland, Oregon, at the meeting of the Willamette and Columbia Rivers. Lewis and Clark used William Robert Broughton's 1792 notes and maps to orient themselves once they reached the lower Columbia River. The sighting of Mount Hood and other stratovolcanos confirmed that the expedition had almost reached the Pacific Ocean.
The expedition sighted the Pacific Ocean for the first time on November 7, 1805, arriving two weeks later.The expedition faced its second bitter winter camped on the north side of the Columbia River, in a storm-wracked area. Lack of food was a major factor. The elk, the party's main source of food, had retreated from their usual haunts into the mountains, and the party was now too poor to purchase enough food from neighboring tribes. On November 24, 1805, the party voted to move their camp to the south side of the Columbia River near modern Astoria, Oregon. Sacagawea, and Clark's slave York, were both allowed to participate in the vote, so this may have been the first time in American history where a woman and a slave were allowed to vote.
On the south side of the Columbia River, 2 miles (3 km) upstream on the west side of the Netul River (now Lewis and Clark River), they constructed Fort Clatsop. They did this not just for shelter and protection, but also to officially establish the American presence there, with the American flag flying over the fort. During the winter at Fort Clatsop, Lewis committed himself to writing. He filled many pages of his journals with valuable knowledge, mostly about botany, because of the abundant growth and forests that covered that part of the continent. The health of the men also became a problem, with many suffering from colds and influenza.
Lewis was determined to remain at the fort until April 1, but was still anxious to move out at the earliest opportunity. By March 22, the stormy weather had subsided and the following morning, on March 23, 1806, the journey home began. The Corps began their journey homeward using canoes to ascend the Columbia River, and later by trekking over land.
They made their way to Camp Chopunnishin Idaho, along the north bank of the Clearwater River, where the members of the expedition collected 65 horses in preparation to cross the Bitterroot Mountains, lying between modern-day Idaho and western Montana. However, the range was still covered in snow, which prevented the expedition from making the crossing. On April 11, while the Corps was waiting for the snow to diminish, Lewis's dog, Seaman, was stolen by Indians, but was retrieved shortly. Worried that other such acts might follow, Lewis warned the chief that any other wrongdoing or mischievous acts would result in instant death.
On July 3, before crossing the Continental Divide, the Corps split into two teams so Lewis could explore the Marias River. Lewis's group of four met some men from the Blackfeet nation. During the night, the Blackfeet tried to steal their weapons. In the struggle, the soldiers killed two Blackfeet men. Lewis, George Drouillard, and the Field brothers fled over 100 miles (160 kilometres) in a day before they camped again.
Meanwhile, Clark had entered the Crow tribe's territory. In the night, half of Clark's horses disappeared, but not a single Crow had been seen. Lewis and Clark stayed separated until they reached the Yellowstone and Missouri Rivers on August 11. As the groups reunited, one of Clark's hunters, Pierre Cruzatte, mistook Lewis for an elk and fired, injuring Lewis in the thigh.Once together, the Corps was able to return home quickly via the Missouri River. They reached St. Louis on September 23, 1806.
In March 1804, before the expedition began in May, the Spanish in New Mexico learned from General James Wilkinson 70 to 80 miles (110 to 130 km) a day and Vial's attempt to intercept them was unsuccessful.that the Americans were encroaching on territory claimed by Spain. After the Lewis and Clark expedition set off in May, the Spanish sent four armed expeditions of 52 soldiers, mercenaries, and Indians on August 1, 1804 from Santa Fe, New Mexico northward under Pedro Vial and José Jarvet to intercept Lewis and Clark and imprison the entire expedition. They reached the Pawnee settlement on the Platte River in central Nebraska and learned that the expedition had been there many days before. The expedition was covering
The Lewis and Clark Expedition gained an understanding of the geography of the Northwest and produced the first accurate maps of the area. During the journey, Lewis and Clark drew about 140 maps. Stephen Ambrose says the expedition "filled in the main outlines" of the area.
The expedition documented natural resources and plants that had been previously unknown to Euro-Americans, though not to the indigenous peoples.Lewis and Clark were the first Americans to cross the Continental Divide, and the first Americans to see Yellowstone, enter into Montana, and produce an official description of these different regions. Their visit to the Pacific Northwest, maps, and proclamations of sovereignty with medals and flags were legal steps needed to claim title to each indigenous nation's lands under the Doctrine of Discovery.
The expedition was sponsored by the American Philosophical Society (APS).Lewis and Clark received some instruction in astronomy, botany, climatology, ethnology, geography, meteorology, mineralogy, ornithology, and zoology. During the expedition, they made contact with over 70 Native American tribes and described more than 200 new plant and animal species.
Jefferson had the expedition declare "sovereignty" and demonstrate their military strength to ensure native tribes would be subordinate to the U.S., as European colonizers did elsewhere. After the expedition, the maps that were produced allowed the further discovery and settlement of this vast territory in the years that followed.
In 1807, Patrick Gass, a private in the U.S. Army, published an account of the journey. He was promoted to sergeant during the course of the expedition.Paul Allen edited a two-volume history of the Lewis and Clark expedition that was published in 1814, in Philadelphia, but without mention of the actual author, banker Nicholas Biddle. Even then, the complete report was not made public until more recently. The earliest authorized edition of the Lewis and Clark journals resides in the Maureen and Mike Mansfield Library at the University of Montana.
One of the primary objectives of the expedition as directed by President Jefferson was to observe and record the whereabouts, lives, activities, and cultures of the various American Indian tribes that inhabited the newly acquired territory and the northwest in general. The expedition encountered many different tribes along the way, many of whom offered their assistance, providing the expedition with their knowledge of the wilderness and with the acquisition of food. The expedition had blank leather-bound journals and ink for the purpose of recording such encounters, as well as for scientific and geological information. They were also provided with various gifts of medals, ribbons, needles, mirrors, and other articles which were intended to ease any tensions when negotiating their passage with the various Indian chiefs whom they would encounter along their way.
Many of the tribes had friendly experiences with British and French fur traders in various isolated encounters along the Missouri and Columbia Rivers, and the expedition did not encounter any hostilities with the exception of the Teton-Sioux tribe under Black Buffalo and the Partisan tribe on September 25, 1804. Both of these tribes were rivals and hoped to use the expedition to their own advantage, and both demanded tribute from the expedition for their passage over the river.According to Harry W. Fritz, "All earlier Missouri River travelers had warned of this powerful and aggressive tribe, determined to block free trade on the river. ... The Sioux were also expecting a retaliatory raid from the Omaha Indians, to the south. A recent Sioux raid had killed 75 Omaha men, burned 40 lodges, and taken four dozen prisoners."
Captain Lewis made his first mistake by offering the Sioux chief gifts first, which insulted and angered the Partisan chief. Communication was difficult, since the expedition's only Sioux interpreter was Pierre Dorion who had stayed behind with the other party and was also involved with diplomatic affairs with another tribe. Consequently, both chiefs were offered a few gifts, but neither was satisfied. At that point, some of the warriors from the Partisan tribe took hold of their boat and one of the oars. Lewis took a firm stand, ordering a display of force and presenting arms; Captain Clark brandished his sword and threatened violent reprisal. Just before the situation erupted into a violent confrontation, Black Buffalo ordered his warriors to back off.
The captains were able to negotiate their passage without further incident with the aid of better gifts and a bottle of whiskey. During the next two days, the expedition made camp not far from Black Buffalo's tribe. Similar incidents occurred when they tried to leave, but trouble was averted with gifts of tobacco.
As the expedition encountered the various American Indian tribes during the course of their journey, they observed and recorded information regarding their lifestyles, customs and the social codes they lived by, as directed by President Jefferson. By western standards, the Indian way of life seemed harsh and unforgiving as witnessed by members of the expedition. After many encounters and camping in close proximity to the Indian nations for extended periods of time during the winter months, they soon learned first hand of their customs and social orders.
One of the primary customs that distinguished Indian cultures from those of the West was that it was customary for the men to take on two or more wives if they were able to provide for them and often took on a wife or wives who were members of the immediate family circle. e.g. men in the Minnetareeand Mandan tribes would often take on a sister for a wife. Chastity among women was not held in high regard. Infant daughters were often sold by the father to men who were grown, usually for horses or mules.
They learned that women in Sioux nations were often bartered away for horses or other supplies, yet this was not practiced among the Shoshone nation who held their women in higher regard.They witnessed that many of the Indian nations were constantly at war with other tribes, especially the Sioux, who, while remaining generally friendly to the white fur traders, had proudly boasted and justified the almost complete destruction of the once great Cahokia nation, along with the Missouris, Illinois, Kaskaskia , and Piorias tribes that lived about the countryside adjacent to the upper Mississippi and Missouri rivers.
Sacagawea, sometimes called Sakajawea or Sakagawea (c. 1788 – December 20, 1812), was a Shoshone Indian woman who arrived with her husband Toussaint Charbonneau on the expedition to the Pacific Ocean.
On February 11, 1805, a few weeks after her first contact with the expedition, Sacagawea went into labor which was slow and painful, so the Frenchman Charbonneau suggested she be given a potion of rattlesnake's rattle to aid in her delivery. Lewis happened to have some snake's rattle with him. A short time after administering the potion, she delivered a healthy boy who was given the name Jean Baptiste Charbonneau.
When the expedition reached Marias River, on June 16, 1805, Sacagawea became dangerously ill. She was able to find some relief by drinking mineral water from the sulphur spring that fed into the river.
Though she has been discussed in literature frequently, much of the information is exaggeration or fiction. Scholars say she did notice some geographical features, but "Sacagawea ... was not the guide for the Expedition, she was important to them as an interpreter and in other ways."The sight of a woman and her infant son would have been reassuring to some indigenous nations, and she played an important role in diplomatic relations by talking to chiefs, easing tensions, and giving the impression of a peaceful mission.
In his writings, Meriwether Lewis presented a somewhat negative view of her, though Clark had a higher regard for her, and provided some support for her children in subsequent years. In the journals, they used the terms "squar" and "savages" to refer to Sacagawea and other indigenous peoples.
The Corps met their objective of reaching the Pacific, mapping and establishing their presence for a legal claim to the land. They established diplomatic relations and trade with at least two dozen indigenous nations. They did not find a continuous waterway to the Pacific Oceanbut located an Indian trail that led from the upper end of the Missouri River to the Columbia River which ran to the Pacific Ocean. They gained information about the natural habitat, flora and fauna, bringing back various plant, seed and mineral specimens. They mapped the topography of the land, designating the location of mountain ranges, rivers and the many Indian tribes during the course of their journey. They also learned and recorded much about the language and customs of the American Indian tribes they encountered, and brought back many of their artifacts, including bows, clothing and ceremonial robes.
Two months passed after the expedition's end before Jefferson made his first public statement to Congress and others, giving a one-sentence summary about the success of the expedition before getting into the justification for the expenses involved. In the course of their journey, they acquired a knowledge of numerous tribes of Indians hitherto unknown; they informed themselves of the trade which may be carried on with them, the best channels and positions for it, and they are enabled to give with accuracy the geography of the line they pursued. Back east, the botanical and zoological discoveries drew the intense interest of the American Philosophical Society who requested specimens, various artifacts traded with the Indians, and reports on plants and wildlife along with various seeds obtained. Jefferson used seeds from "Missouri hominy corn" along with a number of other unidentified seeds to plant at Monticello which he cultivated and studied. He later reported on the "Indian corn" he had grown as being an "excellent" food source.The expedition helped establish the U.S. presence in the newly acquired territory and beyond and opened the door to further exploration, trade and scientific discoveries.
Lewis and Clark returned from their expedition, bringing with them the Mandan Indian Chief Shehaka from the Upper Missouri to visit the "Great Father" at Washington City. After Chief Shehaka's visit, it required multiple attempts and multiple military expeditions to safely return Shehaka to his nation.
Since the expedition, Lewis and Clark have been commemorated and honored over the years on various coins, currency, and commemorative postage stamps, as well as in a number of other capacities.
In 1682, René-Robert Cavelier, Sieur de La Salle went down the Mississippi from the Great Lakes to the Gulf. The French then established a chain of posts along the Mississippi from New Orleans to the Great Lakes. There followed a number of French explorers including Pedro Vial and Pierre Antoine and Paul Mallet, among others. Vial may have preceded Lewis and Clark to Montana. In 1787, he gave a map of the upper Missouri River and locations of "territories transited by Pedro Vial" to Spanish authorities.
Early in 1792, the American explorer Robert Gray, sailing in the Columbia Rediviva , discovered the yet to be named Columbia River, named it after his ship and claimed it for the United States. Later in 1792, the Vancouver Expedition had learned of Gray's discovery and used his maps. Vancouver's expedition explored over 100 miles (160 km) up the Columbia, into the Columbia River Gorge. Lewis and Clark used the maps produced by these expeditions when they descended the lower Columbia to the Pacific coast.
From 1792–93, Alexander Mackenzie had crossed North America from Quebec to the Pacific.
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William Clark was an American explorer, soldier, Indian agent, and territorial governor. A native of Virginia, he grew up in prestatehood Kentucky before later settling in what became the state of Missouri. Clark was a planter and slaveholder.
Toussaint Charbonneau was a French Canadian explorer and trader, and a member of the Lewis and Clark Expedition. He is also known as the captor-husband of Sacagawea.
The Jefferson River is a tributary of the Missouri River, approximately 83 miles (134 km) long, in the U.S. state of Montana. The Jefferson River and the Madison River form the official beginning of the Missouri at Missouri Headwaters State Park near Three Forks. It is joined 0.6 miles (1.0 km) downstream (northeast) by the Gallatin.
Fort Clatsop was the encampment of the Lewis and Clark Expedition in the Oregon Country near the mouth of the Columbia River during the winter of 1805-1806. Located along the Lewis and Clark River at the north end of the Clatsop Plains approximately 5 miles (8.0 km) southwest of Astoria, the fort was the last encampment of the Corps of Discovery, before embarking on their return trip east to St. Louis.
This is the timeline of the Lewis and Clark Expedition through the American West (1803–1806).
The Mandan are a Native American tribe of the Great Plains who have lived for centuries primarily in what is now North Dakota. They are enrolled in the Three Affiliated Tribes of the Fort Berthold Reservation. About half of the Mandan still reside in the area of the reservation; the rest reside around the United States and in Canada.
Fort Mandan was the name of the encampment which the Lewis and Clark Expedition built for wintering over in 1804-1805. The encampment was located on the Missouri River approximately twelve miles from the site of present-day Washburn, North Dakota, which developed later. The precise location is not known for certain and is believed now to be under the water of the river. A replica of the fort has been constructed near the original site.
Bozeman Pass el. 5,702 feet (1,738 m) is a mountain pass situated approximately 13 miles (21 km) east of Bozeman, Montana and approximately 15 miles (24 km) west of Livingston, Montana on Interstate 90. It separates the Bridger and Gallatin mountain ranges.
Seaman, a Newfoundland dog, became famous for being a member of the first American overland expedition from the Mississippi River to the Pacific coast and back. He was the only animal to complete the entire trip. He was purchased for $20 in Pittsburgh, Pennsylvania by Captain Meriwether Lewis while he was in the city awaiting completion of the boats for the voyage in August 1803, for his famed Lewis and Clark expedition.
Cameahwait was the brother of Sacagawea, and a Shoshone chief. He was the head of the first group of inhabitants of modern-day Idaho who were encountered by Europeans.
Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West (ISBN 0684811073), written by Stephen Ambrose, is a 1996 biography of Meriwether Lewis of the Lewis and Clark Expedition. The book is based on journals and letters written by Lewis, William Clark, Thomas Jefferson and the members of the Corps of Discovery. While most of the book is dedicated to the expedition, several chapters are also devoted to Lewis's early life as a Virginia planter and Jefferson's personal secretary, and his later life as governor of the Louisiana Territory before his untimely death in 1809.
Sacagawea was a Lemhi Shoshone woman who, at age 16, met and helped the Lewis and Clark Expedition in achieving their chartered mission objectives by exploring the Louisiana Territory.
Events from the year 1805 in the United States.
Lewis & Clark: The Journey of the Corps of Discovery is a 1997 documentary film about the Lewis and Clark Expedition directed and co-produced by Ken Burns. The film, produced by Burns' Florentine Films for Washington, DC PBS station WETA-TV, first aired on PBS on November 4 and 5, 1997.
The Lemhi Reservation was a United States Indian Reservation for the Lemhi Shoshone from 1875 to 1907. During almost all this time their main chief was Tendoy.
This is a bibliography of literature dealing with the Lewis and Clark Expedition.
Lewis and Clark Pass, el. 6,424 feet (1,958 m) is a mountain pass on the continental divide in Montana. It lies at the head of the drainages of the west flowing Blackfoot River and the east flowing Dearborn River. The pass is in the Helena National Forest in Lewis and Clark County. The Continental Divide Trail traverses north and south through the pass. At the time of the Lewis and Clark Expedition the pass was a much-used pathway where the native people living in what today is Montana crossed over the continental divide. The pass was crossed by Meriwether Lewis on July 7, 1806, on the return leg of the Lewis and Clark Expedition with a party of nine men and his dog Seaman. The pass was named for the expedition's two leaders–Lewis and William Clark. Lewis and Clark Pass is the only roadless pass on the entire Lewis and Clark National Historic Trail. It has gone from being one of the most used continental divide passes prior to the pioneer era to one of the least visited passes today. It can be accessed by a 1.5-mile (2.4 km) trail. Visitors will encounter the pass much as Lewis did in 1806. The furrows left by the countless dog and horse travois that crossed the pass are still visible and this is one of the places along the expedition's route that visitors may still encounter a grizzly bear. On a clear day, like Meriwether Lewis in 1806 one can see Square Butte in Cascade County, Montana, 40 miles (64 km) to the northeast.
Otter Woman was a Shoshone woman who was wife of Smoked Lodge. Otter Woman was likely stolen by the Hidatsa and purchased by Toussaint Charbonneau, who is best known as the husband of Sacagawea. At the time of Sacagawea's abduction and sale to Charbonneau, Otter Woman was already living with Charbonneau as his wife. Charbonneau and Sacagawea were to gain fame as part of the Lewis and Clark expedition that was supported by the Corps of Discovery.