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94-827: Coordinates : 43°52′37″N 103°27′22″W / 43.87694°N 103.45611°W / 43.87694; -103.45611 Museum in the Mount Rushmore National Memorial with two 125-seat theaters Lincoln Borglum Museum [REDACTED] [REDACTED] [REDACTED] Location within South Dakota Location Black Hills , Pennington County , South Dakota Coordinates 43°52′37″N 103°27′22″W / 43.87694°N 103.45611°W / 43.87694; -103.45611 Type Relief Art Website Lincoln Borglum Museum The Lincoln Borglum Museum
188-532: A prime meridian at the westernmost known land, designated the Fortunate Isles , off the coast of western Africa around the Canary or Cape Verde Islands , and measured north or south of the island of Rhodes off Asia Minor . Ptolemy credited him with the full adoption of longitude and latitude, rather than measuring latitude in terms of the length of the midsummer day. Ptolemy's 2nd-century Geography used
282-548: A "natural right" to liberty is one he would later incorporate as he set about authoring the Declaration of Independence. He also took on 68 cases for the General Court of Virginia in 1767, in addition to three notable cases: Howell v. Netherland (1770), Bolling v. Bolling (1771), and Blair v. Blair (1772). Jefferson wrote a resolution calling for a "Day of Fasting and Prayer" and a boycott of all British goods in protest of
376-576: A Continental Congress delegate from Massachusetts and an emerging leader in the Congress. They became close friends, and Adams supported Jefferson's appointment to the Committee of Five , charged by the Congress with authoring a declaration of independence. The five chosen were Adams, Jefferson, Benjamin Franklin , Robert R. Livingston , and Roger Sherman . The committee initially thought that Adams should write
470-661: A capital close to the major commercial centers of the Northeast , while Washington, Jefferson, and other agrarians wanted it further south. After lengthy deadlock, the Compromise of 1790 was struck, permanently locating the capital on the Potomac River , and the federal government assumed the war debts of all original 13 states . Jefferson's goals were to decrease American dependence on British commerce and to expand commercial trade with France. He sought to weaken Spanish colonialism of
564-445: A cause around which to rally his party and organized a national opposition from Monticello. The treaty, designed by Hamilton, aimed to reduce tensions and increase trade. Jefferson warned that it would increase British influence and subvert republicanism, calling it "the boldest act [Hamilton and Jay] ever ventured on to undermine the government". The Treaty passed, but it expired in 1805 during Jefferson's presidential administration and
658-673: A common interest in the playing of the violin. Jefferson entered the College of William & Mary in Williamsburg, Virginia , in 1761, at the age of eighteen, and studied mathematics, metaphysics, and philosophy with William Small . Under Small's tutelage, Jefferson encountered the ideas of the British Empiricists , including John Locke , Francis Bacon , and Isaac Newton . Small introduced Jefferson to George Wythe and Francis Fauquier . Small, Wythe, and Fauquier recognized Jefferson as
752-574: A few weeks in 1777; Mary "Polly" (1778–1804); Lucy Elizabeth (1780–1781); and another Lucy Elizabeth (1782–1784). Only Martha and Mary survived to adulthood. Martha's father John Wayles died in 1773, and the couple inherited 135 enslaved people, 11,000 acres (45 km ; 17 sq mi), and the estate's debts. The debts took Jefferson years to satisfy, contributing to his financial problems. Martha later suffered from ill health, including diabetes, and frequent childbirth weakened her. Her mother had died young, and Martha lived with two stepmothers as
846-463: A firm supporter of the French Revolution while opposing its more violent elements. Soon after returning from France, Jefferson accepted President Washington's invitation to serve as Secretary of State . Pressing issues at this time were the national debt and the permanent location of the capital. He opposed a national debt, preferring that each state retire its own, in contrast to Secretary of
940-502: A girl. A few months after the birth of her last child, she died on September 6, 1782, with Jefferson at her bedside. Shortly before her death, Martha made Jefferson promise never to marry again, telling him that she could not bear to have another mother raise her children. Jefferson was grief-stricken by her death, relentlessly pacing back and forth. He emerged after three weeks, taking long rambling rides on secluded roads with his daughter Martha, by her description "a solitary witness to many
1034-594: A hereditary aristocracy and took the lead in abolishing what he called "feudal and unnatural distinctions." He targeted laws such as entail and primogeniture by which a deceased landowner's oldest son was vested with all land ownership and power. Jefferson was elected governor for one-year terms in 1779 and 1780. He transferred the state capital from Williamsburg to Richmond , and introduced additional measures for public education, religious freedom, and inheritance. During General Benedict Arnold 's 1781 invasion of Virginia , Jefferson escaped Richmond just ahead of
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#17328589016491128-572: A letter of inquiry into the geography, history, and government of Virginia, as part of a study of the United States. Jefferson organized his responses in a book, Notes on the State of Virginia (1785). He compiled the book over five years, including reviews of scientific knowledge, Virginia's history, politics, laws, culture, and geography. The book explores what constitutes a good society, using Virginia as an exemplar. Jefferson included extensive data about
1222-740: A lifelong correspondence. During the summer of 1786, Jefferson arrived in London to meet with John Adams, the US Ambassador to Britain. Adams had official access to George III and arranged a meeting between Jefferson and the king. Jefferson later described the king's reception of the men as "ungracious." According to Adams's grandson, George III turned his back on both in a gesture of public insult. Jefferson returned to France in August. Jefferson sent for his youngest surviving child, nine-year-old Polly, in June 1787. She
1316-646: A little before 1300; the text was translated into Latin at Florence by Jacopo d'Angelo around 1407. In 1884, the United States hosted the International Meridian Conference , attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich , England as the zero-reference line. The Dominican Republic voted against
1410-416: A location often facetiously called Null Island . In order to use the theoretical definitions of latitude, longitude, and height to precisely measure actual locations on the physical earth, a geodetic datum must be used. A horizonal datum is used to precisely measure latitude and longitude, while a vertical datum is used to measure elevation or altitude. Both types of datum bind a mathematical model of
1504-535: A longitudinal degree is 111.3 km. At 30° a longitudinal second is 26.76 m, at Greenwich (51°28′38″N) 19.22 m, and at 60° it is 15.42 m. On the WGS 84 spheroid, the length in meters of a degree of latitude at latitude ϕ (that is, the number of meters you would have to travel along a north–south line to move 1 degree in latitude, when at latitude ϕ ), is about The returned measure of meters per degree latitude varies continuously with latitude. Similarly,
1598-399: A man of exceptional ability and included him in their inner circle, where he became a regular member of their Friday dinner parties. Jefferson later wrote that, while there, he "heard more common good sense, more rational & philosophical conversations than in all the rest of my life". During his first year at the college, Jefferson spent considerable time attending parties and dancing and
1692-670: A national cartographical organization include the North American Datum , the European ED50 , and the British OSGB36 . Given a location, the datum provides the latitude ϕ {\displaystyle \phi } and longitude λ {\displaystyle \lambda } . In the United Kingdom there are three common latitude, longitude, and height systems in use. WGS 84 differs at Greenwich from
1786-411: A profiteering scheme involving the sale of confiscated Loyalist lands. Unlike some Founders, Jefferson was content with his Monticello estate and the land he owned in the vicinity of Virginia's Shenandoah Valley . Jefferson thought of Monticello as an intellectual gathering place for his friends James Madison and James Monroe . In 1780, Jefferson received from French diplomat François Barbé-Marbois
1880-723: A regular companion of the Marquis de Lafayette , a French hero of the American Revolution , and Jefferson used his influence to procure trade agreements with France. As the French Revolution began, he allowed his Paris residence, the Hôtel de Langeac , to be used for meetings by Lafayette and other republicans. He was in Paris during the storming of the Bastille and consulted with Lafayette while
1974-841: A simple translation may be sufficient. Datums may be global, meaning that they represent the whole Earth, or they may be local, meaning that they represent an ellipsoid best-fit to only a portion of the Earth. Examples of global datums include World Geodetic System (WGS 84, also known as EPSG:4326 ), the default datum used for the Global Positioning System , and the International Terrestrial Reference System and Frame (ITRF), used for estimating continental drift and crustal deformation . The distance to Earth's center can be used both for very deep positions and for positions in space. Local datums chosen by
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#17328589016492068-680: A viable system of government for the new Republic and to propose a policy for settlement of the western territories. He was the principal author of the Land Ordinance of 1784 , whereby Virginia ceded to the national government the vast area that it claimed northwest of the Ohio River . He insisted that this territory should not be used as colonial territory by any of the thirteen states, but that it should be divided into sections that could become states. He plotted borders for nine new states in their initial stages and wrote an ordinance banning slavery in all
2162-530: A violent burst of grief". After serving as U.S. Secretary of State from 1790 to 1793 during Washington's presidency , Jefferson returned to Monticello and initiated a remodeling based on architectural concepts he had learned and acquired in Europe. The work continued throughout most of his presidency and was completed in 1809. Jefferson was the primary author of the Declaration of Independence . At age 33, he
2256-500: A year, or 10 m in a century. A weather system high-pressure area can cause a sinking of 5 mm . Scandinavia is rising by 1 cm a year as a result of the melting of the ice sheets of the last ice age , but neighboring Scotland is rising by only 0.2 cm . These changes are insignificant if a local datum is used, but are statistically significant if a global datum is used. On the GRS 80 or WGS 84 spheroid at sea level at
2350-583: Is where Earth's equatorial radius a {\displaystyle a} equals 6,378,137 m and tan β = b a tan ϕ {\displaystyle \textstyle {\tan \beta ={\frac {b}{a}}\tan \phi }\,\!} ; for the GRS 80 and WGS 84 spheroids, b a = 0.99664719 {\textstyle {\tfrac {b}{a}}=0.99664719} . ( β {\displaystyle \textstyle {\beta }\,\!}
2444-418: Is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude . It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others. Although latitude and longitude form a coordinate tuple like a cartesian coordinate system , the geographic coordinate system
2538-749: Is known as the reduced (or parametric) latitude ). Aside from rounding, this is the exact distance along a parallel of latitude; getting the distance along the shortest route will be more work, but those two distances are always within 0.6 m of each other if the two points are one degree of longitude apart. Like any series of multiple-digit numbers, latitude-longitude pairs can be challenging to communicate and remember. Therefore, alternative schemes have been developed for encoding GCS coordinates into alphanumeric strings or words: These are not distinct coordinate systems, only alternative methods for expressing latitude and longitude measurements. Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826)
2632-672: Is located in the Mount Rushmore National Memorial near Keystone, South Dakota . It features two 125-seat theaters that show a 13-minute movie about Mount Rushmore. A view thought by many to be one of the best is located at Grandview Terrace, above the Museum. The Presidential Trail, a walking trail and boardwalk, starts at Grandview Terrace and winds through the Ponderosa pine forests to the Sculptor's Studio, providing close-up views of
2726-540: Is not cartesian because the measurements are angles and are not on a planar surface. A full GCS specification, such as those listed in the EPSG and ISO 19111 standards, also includes a choice of geodetic datum (including an Earth ellipsoid ), as different datums will yield different latitude and longitude values for the same location. The invention of a geographic coordinate system is generally credited to Eratosthenes of Cyrene , who composed his now-lost Geography at
2820-731: Is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses (often called great circles ), which converge at the North and South Poles. The meridian of the British Royal Observatory in Greenwich , in southeast London, England, is the international prime meridian , although some organizations—such as the French Institut national de l'information géographique et forestière —continue to use other meridians for internal purposes. The prime meridian determines
2914-405: Is ultimately calculated from latitude and longitude, it is crucial that they clearly state the datum on which they are based. For example, a UTM coordinate based on WGS84 will be different than a UTM coordinate based on NAD27 for the same location. Converting coordinates from one datum to another requires a datum transformation such as a Helmert transformation , although in certain situations
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3008-420: Is what is called personal liberty, and is given him by the author of nature, because it is necessary for his own sustenance." The judge cut him off and ruled against his client. As a consolation, Jefferson gave his client some money, which was conceivably used to aid his escape shortly thereafter. However, Jefferson's underlying intellectual argument that all people were entitled by their creator to what he labeled
3102-484: The Anglican Church , but both were later revived by James Madison . In 1778, Jefferson was given the task of revising the state's laws. He drafted 126 bills in three years, including laws to streamline the judicial system. He proposed statutes that provided for general education, which he considered the basis of "republican government". Jefferson also was concerned that Virginia's powerful landed gentry were becoming
3196-735: The British Parliament passing the Intolerable Acts in 1774. Jefferson's resolution was later expanded into A Summary View of the Rights of British America , in which he argued that people have the right to govern themselves . In 1768, Jefferson began constructing his primary residence, Monticello, whose name in Italian means "Little Mountain", on a hilltop overlooking his 5,000-acre (20 km ; 7.8 sq mi) plantation. He spent most of his adult life designing Monticello as an architect and
3290-596: The Democratic-Republican Party to oppose the Federalist Party during the formation of the nation's First Party System . Jefferson and Federalist John Adams became both personal friends and political rivals. In the 1796 U.S. presidential election between the two, Jefferson came in second, which made him Adams' vice president under the electoral laws of the time. Four years later, in the 1800 presidential election , Jefferson again challenged Adams and won
3384-489: The Library of Alexandria in the 3rd century BC. A century later, Hipparchus of Nicaea improved on this system by determining latitude from stellar measurements rather than solar altitude and determining longitude by timings of lunar eclipses , rather than dead reckoning . In the 1st or 2nd century, Marinus of Tyre compiled an extensive gazetteer and mathematically plotted world map using coordinates measured east from
3478-597: The Louisiana Territory from France, and his leadership in supporting the Lewis and Clark Expedition . They acknowledge the fact of his lifelong ownership of large numbers of slaves and give differing interpretations of his views on and relationship with slavery . Jefferson was born on April 13, 1743 (April 2, 1743, Old Style , Julian calendar ), at the family's Shadwell Plantation in the British Colony of Virginia ,
3572-500: The Second Continental Congress . He served as the second governor of revolutionary Virginia from 1779 to 1781. In 1785, Congress appointed Jefferson U.S. minister to France , where he served from 1785 to 1789. President Washington then appointed Jefferson the nation's first secretary of state, where he served from 1790 to 1793. During this time, in the early 1790s, Jefferson and political ally James Madison organized
3666-470: The U.S. government for $ 23,950, hoping to help jumpstart the Library of Congress's rebuilding. Jefferson used a portion of the proceeds to pay off some of his large debt. However, Jefferson soon resumed collecting what amounted to his third personal library, writing to John Adams , "I cannot live without books." By the time of his death a decade later, the library had grown to nearly 2,000 volumes. Jefferson
3760-557: The Virginia Constitution , George Mason 's draft of the Virginia Declaration of Rights , and other sources. Other committee members made some changes, and a final draft was presented to Congress on June 28, 1776. The declaration was introduced on Friday, June 28, and Congress began debate over its contents on Monday, July 1, resulting in the removal of roughly a fourth of Jefferson's original draft. Jefferson resented
3854-509: The trans-Appalachian West and British control in the North, believing this would aid in the pacification of Native Americans. Jefferson and political protegé Congressman James Madison founded the National Gazette in 1791, along with author Phillip Freneau , to counter Hamilton's Federalist policies, which Hamilton was promoting through the influential Federalist newspaper the Gazette of
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3948-490: The 23-year-old widow of Bathurst Skelton. She was a frequent hostess for Jefferson and managed the large household. Biographer Dumas Malone described the marriage as the happiest period of Jefferson's life. Martha read widely, did fine needlework, and was a skilled pianist; Jefferson often accompanied her on the violin or cello. During their ten years of marriage, Martha bore six children: Martha "Patsy" (1772–1836); Jane Randolph (1774–1775); an unnamed son who lived for only
4042-602: The British forces, which razed the city. He sent emergency dispatches to Colonel Sampson Mathews and other commanders in an attempt to repel Arnold's efforts. General Charles Cornwallis that spring dispatched a cavalry force led by Banastre Tarleton to capture Jefferson and members of the Assembly at Monticello, but Jack Jouett of the Virginia militia thwarted the British plan. Jefferson escaped to Poplar Forest , his plantation to
4136-650: The British to vacate their posts in the Northwest and to compensate the U.S. for enslaved people whom the British had freed at the end of the war. Jefferson sought a return to private life, and resigned from the cabinet position in December 1793; he may also have wanted to bolster his political influence from outside the administration. After the Washington administration negotiated the Jay Treaty with Britain in 1794, Jefferson saw
4230-502: The Equator, one latitudinal second measures 30.715 m , one latitudinal minute is 1843 m and one latitudinal degree is 110.6 km. The circles of longitude, meridians, meet at the geographical poles, with the west–east width of a second naturally decreasing as latitude increases. On the Equator at sea level, one longitudinal second measures 30.92 m, a longitudinal minute is 1855 m and
4324-558: The Senate, he assumed a more passive role than his predecessor John Adams. He allowed the Senate to freely conduct debates and confined his participation to procedural issues, which he called an "honorable and easy" role. Jefferson had previously studied parliamentary law and procedure for 40 years, making him quite qualified to serve as presiding officer. In 1800, he published his assembled notes on Senate procedure as A Manual of Parliamentary Practice . He cast only three tie-breaking votes in
4418-568: The Senate. In four confidential talks with French consul Joseph Létombe in the spring of 1797, Jefferson attacked Adams and predicted that his rival would serve only one term. He also encouraged France to invade England, and advised Létombe to stall any American envoys sent to Paris. This toughened the tone that the French government adopted toward the Adams administration. After Adams's initial peace envoys were rebuffed, Jefferson and his supporters lobbied for
4512-514: The Treasury Alexander Hamilton , who desired consolidation of states' debts by the federal government. Hamilton also had bold plans to establish national credit and a national bank, but Jefferson strenuously opposed this and attempted to undermine his agenda, which nearly led Washington to dismiss him from the cabinet. He later left the cabinet voluntarily. The second major issue was the capital's permanent location. Hamilton favored
4606-1017: The United States Related Charles E. Rushmore (namesake) 2020 fireworks celebration Mount Rushmore Syndrome USS Rushmore (LSD-14) USS Rushmore (LSD-47) Retrieved from " https://en.wikipedia.org/w/index.php?title=Lincoln_Borglum_Museum&oldid=1253475442 " Categories : Biographical museums in South Dakota Art museums and galleries in South Dakota Museums in Pennington County, South Dakota Mount Rushmore Hidden categories: Pages using gadget WikiMiniAtlas Articles with short description Short description with empty Wikidata description Coordinates on Wikidata Geographic coordinate system A geographic coordinate system ( GCS )
4700-430: The United States . The National Gazette made particular criticism of the policies promoted by Hamilton, often through anonymous essays signed by the pen name Brutus at Jefferson's urging, which were written by Madison. In Spring 1791, Jefferson and Madison took a vacation to Vermont ; Jefferson had been suffering from migraines and was tiring of the in-fighting with Hamilton. In May 1792, Jefferson became alarmed at
4794-449: The changes, but he did not speak publicly about the revisions. On July 4, 1776, the Congress ratified the Declaration, and delegates signed it on August 2; in so doing, the delegates were knowingly committing an act of high treason against The Crown , which was deemed the most serious criminal offense and was punishable by torture and death . Jefferson's preamble is regarded as an enduring statement on individual and human rights, and
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#17328589016494888-522: The document, but Adams persuaded the committee to choose Jefferson. His choice was due to Jefferson being a Virginian, popular, and being considered a good writer by Adams. Jefferson consulted with his fellow committee members, but mostly wrote the Declaration of Independence in isolation between June 11 and 28, 1776, in a home he was renting at 700 Market Street in Center City Philadelphia . Jefferson drew considerably on his proposed draft of
4982-460: The far western Aleutian Islands . The combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The visual grid on a map formed by lines of latitude and longitude is known as a graticule . The origin/zero point of this system is located in the Gulf of Guinea about 625 km (390 mi) south of Tema , Ghana ,
5076-452: The federal concentration of power, whereas Hamilton sought more power for the federal government. Jefferson supported France against Britain when the two nations fought in 1793, though his arguments in the Cabinet were undercut by French Revolutionary envoy Edmond-Charles Genêt 's open scorn for Washington. In his discussions with British Minister George Hammond , he tried in vain to persuade
5170-638: The latter drafted the Declaration of the Rights of Man and of the Citizen . Jefferson often found his mail opened by postmasters, so he invented his own enciphering device, the " Wheel Cipher "; he wrote important communications in code for the rest of his career. Unable to attend the 1787 Constitution Convention, Jefferson supported the Constitution but desired the addition of the promised Bill of Rights. Jefferson left Paris for America in September 1789. He remained
5264-422: The legislation's passage, but it faced strong opposition in a state whose economy was largely agrarian. Jefferson took seven cases of freedom-seeking enslaved people and waived his fee for one he claimed should be freed before the minimum statutory age for emancipation. Jefferson invoked natural law , arguing "everyone comes into the world with a right to his own person and using it at his own will ... This
5358-415: The length in meters of a degree of longitude can be calculated as (Those coefficients can be improved, but as they stand the distance they give is correct within a centimeter.) The formulae both return units of meters per degree. An alternative method to estimate the length of a longitudinal degree at latitude ϕ {\displaystyle \phi } is to assume a spherical Earth (to get
5452-1329: The memorial. The Sculptor's studio was built by Gutzon Borglum , and features discussion about the construction of the monument as well as the tools used. The amphitheater also has a 30-minute program at dusk that describes the construction of the memorial. Following that, the mountain is illuminated for two hours. See also [ edit ] Lincoln Borglum References [ edit ] ^ Park Overview American Park Network. URL accessed on April 1, 2006. External links [ edit ] U.S. National Park Service: Lincoln Borglum Museum Photo Gallery v t e Mount Rushmore Shrine of Democracy Construction Gutzon Borglum (sculptor) Lincoln Borglum (assistant sculptor) Luigi Del Bianco (chief carver) Walter K. Long (assisted) Doane Robinson (conceived idea) Peter Norbeck (political promoter, Norbeck-Williamson Act of 1929 ) [REDACTED] Subjects George Washington Thomas Jefferson Theodore Roosevelt Abraham Lincoln Museum Lincoln Borglum Museum Location Black Hills of South Dakota Legacy In popular culture Mount Rushmore Anniversary coins National symbols of
5546-533: The military, levied new taxes, and enacted the Alien and Sedition Acts . Jefferson believed these laws were intended to suppress Democratic-Republicans, rather than prosecute enemy aliens, and considered them unconstitutional. To rally opposition, he and James Madison anonymously wrote the Kentucky and Virginia Resolutions , declaring that the federal government had no right to exercise powers not specifically delegated to it by
5640-473: The motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911. The latitude ϕ of a point on Earth's surface is the angle between the equatorial plane and the straight line that passes through that point and through (or close to) the center of the Earth. Lines joining points of the same latitude trace circles on
5734-456: The nation's second vice president under John Adams . Jefferson was a leading proponent of democracy, republicanism , and natural rights , and he produced formative documents and decisions at the state, national, and international levels. Jefferson was born into the Colony of Virginia 's planter class , dependent on slave labor . During the American Revolution, Jefferson represented Virginia at
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#17328589016495828-922: The nation's territories. Congress made extensive revisions and rejected the ban on slavery. The provisions banning slavery, known as the "Jefferson Proviso", were modified and implemented three years later in the Northwest Ordinance of 1787 and became the law for the entire Northwest Territory . On May 7, 1784, Jefferson was appointed by the Congress of the Confederation to join Benjamin Franklin and John Adams in Paris as Minister Plenipotentiary for Negotiating Treaties of Amity and Commerce with Great Britain and other countries. With his young daughter Patsy and two servants, he departed in July 1784, arriving in Paris
5922-615: The next month. Jefferson had Patsy educated at the Pentemont Abbey . Less than a year later he was assigned the additional duty of succeeding Franklin as Minister to France. French foreign minister Count de Vergennes commented, "You replace Monsieur Franklin, I hear." Jefferson replied, "I succeed . No man can replace him." During his five years in Paris, Jefferson played a leading role in shaping U.S. foreign policy . In 1786, he met and fell in love with Maria Cosway , an accomplished—and married—Italian-English musician of 27. She returned to Great Britain after six weeks, but they maintained
6016-424: The one used on published maps OSGB36 by approximately 112 m. The military system ED50 , used by NATO , differs from about 120 m to 180 m. Points on the Earth's surface move relative to each other due to continental plate motion, subsidence, and diurnal Earth tidal movement caused by the Moon and the Sun. This daily movement can be as much as a meter. Continental movement can be up to 10 cm
6110-399: The phrase " all men are created equal " has been called "one of the best-known sentences in the English language". The Declaration of Independence, historian Joseph Ellis wrote in 2008, represents "the most potent and consequential words in American history". At the start of the Revolution, Colonel Jefferson was named commander of the Albemarle County Militia on September 26, 1775. He
6204-539: The political rivalries taking shape; he wrote to Washington, imploring him to run for reelection that year as a unifying influence. He urged the president to rally the citizenry to a party that would defend democracy against the corrupting influence of banks and monied interests, as espoused by the Federalists. Historians recognize this letter as the earliest delineation of Democratic-Republican Party principles. Jefferson, Madison, and other Democratic-Republican organizers favored states' rights and local control and opposed
6298-497: The presidency. In 1804 , Jefferson was reelected overwhelmingly to a second term. As president, Jefferson assertively defended the nation's shipping and trade interests against Barbary pirates and aggressive British trade policies, promoted a western expansionist policy with the Louisiana Purchase , which doubled the nation's geographic size, and was able to reduce military forces and expenditures following successful negotiations with France. In his second presidential term, Jefferson
6392-404: The proper Eastern and Western Hemispheres , although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E. This is not to be conflated with the International Date Line , which diverges from it in several places for political and convenience reasons, including between far eastern Russia and
6486-422: The release of papers related to the incident, called the XYZ Affair after the letters used to disguise the identities of the French officials involved. However, the tactic backfired when it was revealed that French officials had demanded bribes, rallying public support against France. The U.S. began an undeclared naval war with France known as the Quasi-War . During the Adams presidency, the Federalists rebuilt
6580-430: The same datum will obtain the same location measurement for the same physical location. However, two different datums will usually yield different location measurements for the same physical location, which may appear to differ by as much as several hundred meters; this not because the location has moved, but because the reference system used to measure it has shifted. Because any spatial reference system or map projection
6674-484: The same prime meridian but measured latitude from the Equator instead. After their work was translated into Arabic in the 9th century, Al-Khwārizmī 's Book of the Description of the Earth corrected Marinus' and Ptolemy's errors regarding the length of the Mediterranean Sea , causing medieval Arabic cartography to use a prime meridian around 10° east of Ptolemy's line. Mathematical cartography resumed in Europe following Maximus Planudes ' recovery of Ptolemy's text
6768-486: The shape of the earth (usually a reference ellipsoid for a horizontal datum, and a more precise geoid for a vertical datum) to the earth. Traditionally, this binding was created by a network of control points , surveyed locations at which monuments are installed, and were only accurate for a region of the surface of the Earth. Some newer datums are bound to the center of mass of the Earth. This combination of mathematical model and physical binding mean that anyone using
6862-569: The state's natural resources and economy and wrote at length about slavery and miscegenation ; he articulated his belief that blacks and whites could not live together as free people in one society because of justified resentments of the enslaved. He also wrote of his views on the American Indians, equating them to European settlers. Notes was first published in 1785 in French and appeared in English in 1787. Biographer George Tucker considered
6956-458: The surface of Earth called parallels , as they are parallel to the Equator and to each other. The North Pole is 90° N; the South Pole is 90° S. The 0° parallel of latitude is designated the Equator , the fundamental plane of all geographic coordinate systems. The Equator divides the globe into Northern and Southern Hemispheres . The longitude λ of a point on Earth's surface
7050-554: The third of ten children. He was of English and possibly Welsh descent, and was born a British subject . His father, Peter Jefferson , was a planter and surveyor who died when Jefferson was fourteen; his mother was Jane Randolph . Peter Jefferson moved his family to Tuckahoe Plantation in 1745 on the death of William Randolph III , the plantation's owner and Jefferson's friend, who in his will had named Peter guardian of Randolph's children. The Jeffersons returned to Shadwell before October 1753. Peter died in 1757, and his estate
7144-503: The west. When the General Assembly reconvened in June 1781, it conducted an inquiry into Jefferson's actions which eventually concluded that Jefferson had acted with honor—but he was not re-elected. In April of the same year, his daughter Lucy died at age one. A second daughter of that name was born the following year, but she died at age two. In 1782, Jefferson refused a partnership offer by North Carolina Governor Abner Nash , in
7238-445: The width per minute and second, divide by 60 and 3600, respectively): where Earth's average meridional radius M r {\displaystyle \textstyle {M_{r}}\,\!} is 6,367,449 m . Since the Earth is an oblate spheroid , not spherical, that result can be off by several tenths of a percent; a better approximation of a longitudinal degree at latitude ϕ {\displaystyle \phi }
7332-414: The work "surprising in the extent of the information which a single individual had been thus far able to acquire, as to the physical features of the state"; Merrill D. Peterson described it as an accomplishment for which all Americans should be grateful. Jefferson was appointed a Virginia delegate to the Congress of the Confederation organized following the peace treaty with Great Britain in 1783. He
7426-491: Was a member of the committee setting foreign exchange rates and recommended an American currency based on the decimal system that was adopted. He advised the formation of the Committee of the States to fill the power vacuum when Congress was in recess. The committee met when Congress adjourned, but disagreements rendered it dysfunctional. In the Congress's 1783–1784 session, Jefferson acted as chairman of committees to establish
7520-572: Was accompanied by a young slave from Monticello, Sally Hemings . Jefferson had taken her older brother, James Hemings , to Paris as part of his domestic staff and had him trained in French cuisine. According to Sally's son, Madison Hemings , the 16-year-old Sally and Jefferson began a sexual relationship in Paris, where she became pregnant. The son indicated Hemings agreed to return to the United States only after Jefferson promised to free her children when they came of age. While in France, Jefferson became
7614-609: Was admitted to the Virginia bar in 1767, and lived with his mother at Shadwell. He represented Albemarle County in the Virginia House of Burgesses from 1769 until 1775. He pursued reforms to slavery, including writing and sponsoring legislation in 1769 to strip power from the royal governor and courts, instead providing masters of slaves with the discretion to emancipate them. Jefferson persuaded his cousin Richard Bland to spearhead
7708-484: Was an American statesman, planter, diplomat, lawyer, architect, philosopher, and Founding Father who served as the third president of the United States from 1801 to 1809. He was the primary author of the Declaration of Independence . Following the American Revolutionary War and before becoming president in 1801, Jefferson was the nation's first U.S. secretary of state under George Washington and then
7802-685: Was beset by difficulties at home, including the trial of his former vice president Aaron Burr . In 1807, Jefferson implemented the Embargo Act to defend the nation's industries from British threats to U.S. shipping, limiting foreign trade and stimulating the birth of the American manufacturing industry. Jefferson is ranked by both scholars and in public opinion among the upper tier of American presidents. Presidential scholars and historians praise Jefferson's public achievements, including his advocacy of religious freedom and tolerance, his peaceful acquisition of
7896-430: Was destroyed in a fire at his Shadwell home. His second library replenished the first. It grew to 1,250 titles by 1773, and to nearly 6,500 volumes by 1814. Jefferson organized his books into three broad categories corresponding with elements of the human mind: memory, reason, and imagination. After British forces burnt the Library of Congress during the 1814 Burning of Washington , Jefferson sold his second library to
7990-457: Was divided between his sons Thomas and Randolph . John Harvie Sr. became 13-year-old Thomas' guardian. Thomas inherited approximately 5,000 acres (2,000 ha; 7.8 sq mi), which included Monticello , and he assumed full legal authority over the property at age 21. Jefferson began his education together with the Randolph children at Tuckahoe under tutors. Thomas' father Peter, who
8084-509: Was greatly pleasing to Jefferson. In October of that year, however, Jefferson mourned his sister Jane's unexpected death at age 25; he wrote a farewell epitaph for her in Latin. Jefferson treasured his books and amassed three sizable libraries in his lifetime. He began assembling his first library, which grew to 200 volumes, in his youth. It included books inherited from his father and left to him by Wythe. In 1770, however, Jefferson's first library
8178-508: Was not renewed. Jefferson continued his pro-France stance; during the violence of the Reign of Terror , he declined to disavow the revolution: "To back away from France would be to undermine the cause of republicanism in America." In the presidential campaign of 1796 , Jefferson lost the electoral college vote to Federalist John Adams 71–68 and was thus elected vice president. As presiding officer of
8272-520: Was not very frugal with his expenditures; in his second year, regretting that he had squandered away time and money in his first year, he committed to studying fifteen hours a day. While at William & Mary, Jefferson became a member of the Flat Hat Club . Jefferson concluded his formal studies in April 1762. He read the law under Wythe's tutelage while working as a law clerk in his office. Jefferson
8366-454: Was one of the youngest delegates to the Second Continental Congress beginning in 1775 at the outbreak of the American Revolutionary War , where a formal declaration of independence from Britain was overwhelmingly favored. Jefferson was inspired by the Enlightenment ideals of the sanctity of the individual, and the writings of Locke and Montesquieu . Jefferson sought out John Adams ,
8460-610: Was quoted as saying, "Architecture is my delight, and putting up, and pulling down, one of my favorite amusements." Construction was done mostly by local masons and carpenters, assisted by Jefferson's slaves. He moved into the South Pavilion in 1770. Turning Monticello into a neoclassical masterpiece in the Palladian style was his perennial project. On January 1, 1772, Jefferson married his third cousin Martha Wayles Skelton ,
8554-429: Was self-taught and regretted not having a formal education, entered Thomas into an English school at age five. In 1752, at age nine, he attended a local school run by a Scottish Presbyterian minister and also began studying the natural world, which he grew to love. At this time he began studying Latin , Greek , and French , while learning to ride horses as well. Thomas also read books from his father's modest library. He
8648-578: Was taught from 1758 to 1760 by the Reverend James Maury near Gordonsville, Virginia , where he studied history, science, and the classics while boarding with Maury's family. Jefferson came to know various American Indians, including the Cherokee chief Ostenaco , who often stopped at Shadwell to visit on their way to Williamsburg to trade. In Williamsburg, the young Jefferson met and came to admire Patrick Henry , eight years his senior, and shared
8742-497: Was then elected to the Virginia House of Delegates for Albemarle County in September 1776, when finalizing the state constitution was a priority. For nearly three years, he assisted with the constitution and was especially proud of his Bill for Establishing Religious Freedom, which prohibited state support of religious institutions or enforcement of religious doctrine. The bill failed to pass, as did his legislation to disestablish
8836-535: Was well-read in a broad variety of subjects, which, along with law and philosophy, included history, natural law, natural religion, ethics, and several areas in science, including agriculture. During his years of study under the watchful eye of Wythe, Jefferson authored a Commonplace Book , a survey of his extensive readings. Wythe was so impressed with Jefferson that he later bequeathed his entire library to him. On July 20, 1765, Jefferson's sister Martha married his close friend and college companion Dabney Carr , which
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