68-451: The Mason–Dixon line is a demarcation line separating four U.S. states : Pennsylvania , Maryland , Delaware and West Virginia . It was surveyed between 1763 and 1767 by Charles Mason and Jeremiah Dixon as part of the resolution of a border dispute involving Maryland, Pennsylvania, and Delaware in the colonial United States . The largest portion of the Mason–Dixon line, along
136-428: A few adjacent streets. It remains a popular hangout area for teens, college students, and twentysomethings with its assortment of bars, take-out eateries, sex shops , gift shops, and retailers catering to hip hop fashion , punk fashion , and/or urban culture . A few restaurants and independent boutiques targeting a slightly more mature clientele are interspersed with these businesses, such as Accent on Animals,
204-589: A high level of accuracy in the survey due to the work of Nevil Maskelyne , some of whose instruments they used. There was keen interest in their work and much communication between the surveyors, Maskelyne and other members of the British Scientific establishment in the Royal Society in Britain, notably Henry Cavendish . During such survey work, it is normal to survey from point to point along
272-720: A line of demarcation in Beirut , Lebanon during the Lebanese Civil War from 1975 to 1990. It separated the mainly Muslim factions in West Beirut from the predominantly Christian East Beirut controlled by the Lebanese Front. South and East Asia [ edit ] The McMahon Line is a line dividing China and India, drawn on a map attached to the Simla Convention , a treaty negotiated between
340-467: A line somewhere in between and renounced the Calvert claim to Delaware. But later, Lord Baltimore claimed that the document he had signed did not contain the terms he had agreed to, and refused to put the agreement into effect. Beginning in the mid-1730s, violence erupted between settlers claiming various loyalties to Maryland and Pennsylvania. The border conflict would be known as Cresap's War . Progress
408-465: A literal border, South Street remained a liminal space where cultures collided. The African American theater district of western South Street, the later Jewish and Italian immigrant shops and theaters on eastern South Street, the nearby Italian businesses in the Italian Market area , and the influx of visitors from other parts of the city looking for entertainment all combined to eventually create
476-585: A pet supply store, and South Street Souvlaki, a Greek restaurant. On June 4, 2022, three people were killed and eleven others were injured during the 2022 Philadelphia shooting . From west to east, South Street traverses the following neighborhoods: South Street begins at 33rd and Spruce Streets in University City , heading east-southeast past the University of Pennsylvania 's Franklin Field and
544-454: A place described by William Gardner Smith in his 1954 book South Street as a lively zone of contact between many different ethnicities. Until the 1950s, South Street was known mainly as a multiethnic entertainment and garment district, with an abundance of stores for men's suits and other clothing. The eastern end of South Street comprised part of the Jewish and Italian Fabric Row , while
612-815: A possible armistice line between Poland to the west and the Soviet republics to the east during the Polish-Soviet War of 1919–21. The modern Poland–Belarus and Poland–Ukraine borders mostly follow the Curzon line. The Foch Line was a temporary demarcation line between Poland and Lithuania proposed by the Entente in the aftermath of World War I . The demarcation line in France in Vichy France imposed by Nazi Germany from 1940 to 1942, with
680-574: A series of proposed lines. In the end, a compromise was reached: the Mason–Dixon line would be extended west to a point five degrees west of the Delaware River. To compensate Pennsylvania for the claimed territory lost, its western boundary would be run due north rather than copying the course of the Delaware River. The Mason–Dixon line was marked by stones every mile 1 mile (1.6 km) and "crownstones" every 5 miles (8.0 km), using stone shipped from England. The Maryland side says "(M)" and
748-544: A small wedge of land in dispute between Delaware and Pennsylvania until 1921. In April 1765, Mason and Dixon began their survey of the more famous Maryland–Pennsylvania line. They were commissioned to run it for a distance of five degrees of longitude west from the Delaware River, fixing the western boundary of Pennsylvania (see the entry for Yohogania County ). However, in October 1767, at Dunkard Creek near Mount Morris, Pennsylvania , nearly 244 miles (393 km) west of
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#1732772704802816-470: A very sensitive torsion balance to carry out the Cavendish experiment and determine the average density of Earth. It is unlikely that Mason and Dixon ever heard the phrase "Mason–Dixon line". The official report on the survey, issued in 1768, did not even mention their names. While the term was used occasionally in the decades following the survey, it came into popular use during congressional debates on
884-557: Is a geopolitical border , often agreed upon as part of an armistice or ceasefire . Africa [ edit ] Moroccan Wall , delimiting the Moroccan-controlled part of Western Sahara from the Sahrawi-controlled part Americas [ edit ] During European imperialism overseas, the lines of amity were drawn to differentiate Europe from the rest of the world. The Line of Demarcation
952-587: Is a disputed maritime demarcation line in the Yellow Sea between North Korea and South Korea . The Line of Actual Control established by India and the People's Republic of China between Aksai Chin and Ladakh after the Sino-Indian War of 1962. The Line of Control established by India and Pakistan over the disputed region of Kashmir . The nine-dash line appears on maps used by
1020-523: Is an east–west street forming the southern border of Center City and the northern border for South Philadelphia in Pennsylvania , United States. The South Street Headhouse District between Front and 7th streets is a neighborhood known for its bohemian , punk , and alternative atmosphere and its diverse urban mix of shops, bars, and eateries. South Street is one of Philadelphia's largest and most prominent tourist attractions. Originally
1088-426: Is made up of four segments corresponding to the terms of the settlement: The most difficult task was fixing the tangent line, as they had to confirm the accuracy of the transpeninsular line midpoint and the 12-mile circle, determine the tangent point along the circle, and then actually survey and monument the border. They then surveyed the north and arc lines. They did this work between 1763 and 1767. This actually left
1156-482: The 13th Amendment was ratified in 1865. Mason and Dixon's actual survey line began to the south of Philadelphia , and extended from a benchmark east to the Delaware River and west to what was then the boundary with western Virginia. The surveyors also fixed the boundary between Delaware and Pennsylvania and the approximately north–south portion of the boundary between Delaware and Maryland . Most of
1224-605: The British Empire , China , and Tibet in 1914. The Military Demarcation Line , sometimes referred to as the Armistice Line , is the border between North Korea and South Korea . The Military Demarcation Line was established by the Korean Armistice Agreement as the line between the two Koreas at the end of Korean War in 1953. The Northern Limit Line or North Limit Line (NLL)
1292-864: The Dayton Agreement that followed the end of the Bosnian War . See also [ edit ] Demilitarized zone Retrieved from " https://en.wikipedia.org/w/index.php?title=Demarcation_line&oldid=1244250813 " Category : Borders Hidden categories: Articles with short description Short description matches Wikidata Articles needing additional references from January 2008 All articles needing additional references South Street (Philadelphia) South Street in Philadelphia , originally named Cedar Street in William Penn 's original street grid,
1360-605: The German-occupied zone in the north and a free zone in the south. The Line of Contact was a demarcation line between Soviet-aligned forces and forces aligned with the Western allies, marking where Soviet-aligned forces and Western-aligned forces met as they advanced into Germany and Austria at the end of World War II in Europe. The Bosnian Inter-Entity Boundary Line is an ethno-administrative border established by
1428-593: The Maryland portion of the new road were later designated as the John F. Kennedy Memorial Highway. The Mason–Dixon line has been resurveyed three times: in 1849, 1900, and in the 1960s. In 2020, 30 volunteers, at the behest of the Maryland Geological Survey , started a project to locate and document the 226 remaining Mason-Dixon Line stones, which were placed every mile in the 18th century to mark
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#17327727048021496-459: The Mason and Dixon Survey Terminal Point In 1774, commissioners from Pennsylvania and Virginia met to negotiate their boundary, which at the time involved Pennsylvania's southern border west of Maryland and its entire western border. Both sides agreed that Pennsylvania's grant made its western border a tracing of the course of the Delaware River, displaced five degrees (approximately 265 miles) to
1564-771: The Missouri Compromise named "Mason and Dixon's line" as part of the boundary between slave territory and free territory. In popular usage to people from the United States, the Mason–Dixon line symbolizes a cultural boundary between the North and the South ( Dixie ). Originally "Mason and Dixon's Line" simply referred to the border between Pennsylvania (including "the Delaware Counties") and Maryland. However, it has been used metaphorically to describe
1632-626: The People's Republic of China and the Republic of China (Taiwan) accompanying their South China Sea claims, which are challenged by Malaysia , the Philippines , and Vietnam . Europe [ edit ] [REDACTED] The Line of Contact , final positions of the armies of the Western Allies and Soviets, May 8, 1945. The Curzon Line was a demarcation line proposed in 1920 by British Foreign Secretary Lord Curzon as
1700-538: The Twelve-Mile Circle around New Castle, Delaware , when in fact it falls north of the original boundaries of the City of Philadelphia , the site of which Penn had already selected for his colony's capital city. Negotiations ensued after the problem was discovered in 1681. A compromise proposed by Charles II in 1682, which might have resolved the issue, was undermined by Penn receiving the additional grant of
1768-519: The United Nations on 7 June 2001 for the purposes of determining whether Israel had fully withdrawn from Lebanon. The term Green Line is used to refer to the 1949 Armistice lines established between Israel and its neighbours ( Egypt , Jordan , Lebanon and Syria ) after the 1948 Arab–Israeli War . The Purple Line was the ceasefire line between Israel and Syria after the 1967 Six-Day War . The Green Line (Lebanon) refers
1836-646: The University Museum . It crosses the Schuylkill River on the South Street Bridge , a fixed bridge built in 2010 to replace a former double bascule bridge dating from 1923. South Street then heads east (relative to the city grid ), and becomes one-way eastbound from 27th Street all the way to Front Street. South Street marks the 600 South block (from Market Street ) in the city's gridiron street system. In West Philadelphia ,
1904-661: The Virginia (now West Virginia) portion of the line as part of its northern border, although it never exercised meaningful control that far north – especially after West Virginia separated from Virginia and joined the Union as a separate state in 1863. It is still used today in the figurative sense of a line that separates the Northeast and South culturally, politically, and socially (see Dixie ) . Maryland's charter of 1632 granted Cecil Calvert land north of
1972-571: The "Three Lower Counties" along Delaware Bay , which later became the Delaware Colony , a satellite of Pennsylvania. Maryland considered these lands part of its original grant. The conflict became more of an issue when settlement extended into the interior of the colonies. In 1732 the Proprietary Governor of Maryland, Charles Calvert, 5th Baron Baltimore , signed a provisional agreement with William Penn 's sons, which drew
2040-522: The 40th parallel. Pennsylvania's grant defined the colony's southern boundary as following a 12-mile (radius) circle (19 km) counter-clockwise from the Delaware River until it hit "the beginning of the fortieth degree of Northern latitude." From there the boundary was to follow the 40th parallel due west for five degrees of longitude. But the 40th parallel does not, in fact, intersect the 12-mile circle, instead lying significantly farther north. Thus Pennsylvania's southern boundary as defined in its charter
2108-559: The 600 South is delineated between 45th and 63rd Streets by Cedar Avenue , the name being a relic of the original name for South Street (Cedar Street) in the original plan for Philadelphia as drafted by William Penn . South Street and Cedar Avenue are discontinuous with each other due to Woodland Cemetery , the University of Pennsylvania (the former Blockley Township ), and the Schuylkill River. The historic district spans
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2176-539: The Calverts of Maryland and the Penns of Pennsylvania £3,512 9/ – (equivalent to £571,700 in 2023) to have 244 miles (393 km) surveyed with such accuracy. To them the money was well spent, for in a new country there was no other way of establishing ownership. The Mason-Dixon Trail stretches on or near Pennsylvania's border with Delaware and Maryland and is a popular attraction to tourists. The Mason–Dixon line
2244-486: The Delaware and Pennsylvania sides say "(P)". Crownstones included both coats of arms. Many of the original stones are still visible, resting on public land and protected by iron cages; a number have gone missing or were buried. The actual locations of the stones may differ a few hundred feet east or west from the exact positions where Mason and Dixon intended to place them, still, the line drawn from stone to stone forms
2312-459: The Delaware, their Iroquois guides refused to go any further, having reached the border of their lands with the Lenape , with whom they were engaged in hostilities. As a result, the group was forced to quit, and on October 11, they made their final observations , 233 miles (375 km) from their starting point. In 1784, surveyors David Rittenhouse and Andrew Ellicott and their crew completed
2380-779: The Delaware–Pennsylvania boundary is an arc , and the Delaware–Maryland boundary does not run truly north–south because it was intended to bisect the Delmarva Peninsula rather than follow a meridian. Mason and Dixon also confirmed the earlier survey delineating Delaware's southern boundary from the Atlantic Ocean to the "Middle Point" stone (along what is today known as the Transpeninsular Line ). They proceeded nearly due north from this to
2448-613: The Maryland–Delaware border. After the president, flanked by the governors of Delaware and Maryland, cut a ribbon opening the Interstate, they moved to the grassy median strip where a replica Mason and Dixon Marker had been placed for the bicentennial. There President Kennedy and the governors unveiled a limestone replica. It was one of his last public appearances before his assassination in Dallas, Texas . The Delaware Turnpike and
2516-871: The Mason–Dixon line as a general geographic division, or character names evoking it, although a minority of those specifically relate to the line itself. 39°43′N 75°47′W / 39.717°N 75.783°W / 39.717; -75.783 Demarcation line Geopolitical border, often agreed upon as part of an armistice or ceasefire [REDACTED] This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed. Find sources: "Demarcation line" – news · newspapers · books · scholar · JSTOR ( January 2008 ) ( Learn how and when to remove this message ) A political demarcation line
2584-500: The Pennsylvania border. The Maryland–Pennsylvania boundary is an east–west line with an approximate mean latitude of 39°43′20″ N ( Datum WGS 84 ). In reality, the east-west Mason–Dixon line is not a true straight line in the geometric sense, but is instead a polygonal chain , a series of many adjoining line segments, following a path between latitude 39°43′15″ N and 39°43′23″ N. The surveyors also extended
2652-579: The action of the elements and fell over." The editor urged the Cecil County Commissioners, Commissioner of the Land Office, Governor or some public minded citizen to preserve this "old time-honored, moss-covered relic of a generation, which has passed away. . . " On November 14, 1963, during the bicentennial of the Mason–Dixon line, U.S. President John F. Kennedy opened a newly completed section of Interstate 95 where it crossed
2720-489: The ancient old relic. Although greatly mangled by traffic in the second half of the twentieth century, it still stands today. But long before bulldozers and other heavy equipment started moving earth for the dual highway before World War II, there were concerns about the preservation of this monument. In 1885, the Cecil Democrat reported that after 119-years, the stone on the road from Elkton to Glasgow had "yielded to
2788-646: The border between Pennsylvania and Maryland. The stones are historically significant because they represent one of the first geodetic surveys ever conducted in North America. The volunteers hope to get the stones listed on the National Register of Historic Places, which will help to preserve them for future generations. By 2023, the volunteers found 218 of the often-hidden 500-pound limestone stone markers quarried in England. Mason and Dixon achieved
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2856-482: The borders of Pennsylvania , Maryland , Delaware , and West Virginia (then part of Virginia ). It was surveyed between 1763 and 1767 by Charles Mason and Jeremiah Dixon in the resolution of a border dispute between British colonies in Colonial America . Asia [ edit ] Middle East [ edit ] The Blue Line is a border demarcation between Lebanon and Israel published by
2924-407: The boundary line 40 miles (64 km) west of Maryland's western boundary, into territory that was still in dispute between Pennsylvania and Virginia, though this was contrary to their original charter. Mason and Dixon's survey was finished on October 19, 1767, about 31 miles (50 km) east of what is now Pennsylvania's southwest corner. Where the surveyors finished their survey became known as
2992-540: The burgeoning scene. In the late 1980s, South Street became one of the city's main tourist attractions. Tourists flocked to the nightlife that South Street had accumulated over the years, and the "neighborhood" community aspect was gradually stripped from it. Many of the South Street clubs have closed, replaced by chain stores and shops to cater to tourists. The name South Street is popularly attached to an eight-block stretch of South extending after 8th Street and
3060-431: The city limits, the first permanent theater in the United States was built on the south side of the street at Leithgow Street, giving birth to a tradition of Philadelphians seeking out entertainment on South Street that continues today. In 1854, the same year that South Street officially became South Street, the city boundaries were redrawn to expand the area of Philadelphia to 130 square miles. Despite no longer being
3128-411: The entire boundary between slave and free states during the 19th-century. After Pennsylvania abolished slavery , it served as a demarcation line for the legality of slavery . Technically, that demarcation did not extend beyond Pennsylvania where Virginia, Maryland, and Delaware, all slave states , lay south or east of the boundary. Also lying north and east of the boundary was New Jersey , where slavery
3196-490: The entire length of the Potomac River up to the 40th parallel . A problem arose when Charles II granted a charter for Pennsylvania in 1681. The grant defined Pennsylvania's southern border as identical to Maryland's northern border, but described it differently, as Charles relied on an inaccurate map. The terms of the grant clearly indicate that Charles II and William Penn believed the 40th parallel would intersect
3264-564: The following areas: The neighborhood significantly overlaps with Queen Village , Washington Square West , Bella Vista , and Society Hill . In 2014, the area's population was 27,805. The average age for the neighborhood is 34.9, with 57.44% of the population between the ages of 18 and 44 and 62.3% of the population are renters with the average income of $ 71,856. South Street is traversed over its entire length by SEPTA 's Route 40 bus , running eastbound on South and westbound on Lombard Street through Center City. During evenings and weekends,
3332-432: The late 1960s and his mosaic work can be seen in multiple places along South Street including his large installation Philadelphia's Magic Gardens between 10th Street and 11th Street. Starting mainly in the early 1960s to the 1970s, South Street was filled with clubs and bars that fostered a live local music community. It was not uncommon for South Philadelphians to " bar-hop " across the clubs, listening to live bands along
3400-499: The late 1990s, the street saw the establishment of various chain stores . South Street is adjacent to Headhouse Square , a notable plaza with various shops and restaurants. From the mid- to late-1970s into the 1980s, South Street's reputation as a musical, artistic, and countercultural hub was further solidified as it became the center of Philadelphia's punk scene and punk and alternative rock music communities, with venues such as JC Dobbs and stores such as Zipperhead catering to
3468-474: The legal boundary. The lines have been resurveyed several times over the centuries without substantive changes to Mason's and Dixon's work, and additional benchmarks and survey markers were placed where necessary. The line was established to end a boundary dispute between the British colonies of Maryland and Pennsylvania/Delaware. Maryland had been granted the territory north of the Potomac River up to
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#17327727048023536-463: The line and then survey back to the starting point, where if there were no errors the origin and re-surveyed position would coincide. Normally the return errors would be random – i.e. the return survey errors compared to the intermediate points back to the start point would be spatially randomly distributed around the start point. Mason and Dixon found that there were larger than expected systematic errors , i.e. non- random errors, that led
3604-690: The line of latitude 15 miles (24 km) south of the southernmost house in Philadelphia (on what is today South Street ). As part of the settlement, the Penns and Calverts commissioned the English team of Charles Mason and Jeremiah Dixon to survey the newly established boundaries between the Province of Pennsylvania , the Province of Maryland , and Delaware Colony . In 1779, Pennsylvania and Virginia agreed "To extend Mason's and Dixon's line, due west, five degrees of longitude, to be computed from
3672-735: The more western areas around South Street served as a cultural and commercial center for South Philadelphia 's African American community. Real estate values plummeted after city planner Edmund Bacon and others proposed the Crosstown Expressway , a short limited-access expressway connecting the Schuylkill Expressway and I-95 that would have required the demolition of many buildings on South Street and Bainbridge Street (an east–west street one block south of South Street). The suddenly cheap property attracted artists and counterculture -types. The proposed expressway
3740-450: The old boundary line was noted by construction crews, newspaper columnists, and the traveling public. When contractors started working on a section of Route 40, a modern dual highway between Elkton and Glasgow, they discovered a time and weather battered original Mason Dixon Marker. It was relocated to northside of the highway and when the governors of Delaware and Maryland dedicated the highway on June 26, 1941, newspaper reporters took note of
3808-559: The pull of a nearby mountain upon a plumb-bob in 1772 and sent Mason (who had returned to Britain) on a site survey through central England and Scotland to find a suitable location during the summer of 1773. Mason selected Schiehallion at which to conduct what became known as the Schiehallion experiment , which was carried out primarily by Maskelyne and determined the density of the Scottish mountain. Several years later Cavendish used
3876-566: The return survey consistently being in one direction away from the starting point. When this information got back to the Royal Society members, Henry Cavendish realised that this may have been due to the gravitational pull of the Allegheny Mountains deflecting the theodolite plumb-bobs and spirit levels toward them to the west. Maskelyne then proposed measuring the gravitational force causing this deflection induced by
3944-464: The river Delaware, for the southern boundary of Pennsylvania, and that a meridian, drawn from the western extremity thereof to the northern limit of the said state, be the western boundary of Pennsylvania for ever." After Pennsylvania abolished slavery in 1781, the east–west part of this line and the Ohio River became a border between slave and free states , with Delaware retaining slavery until
4012-547: The southern Pennsylvania border, later became informally known as the boundary between the Southern slave states and Northern free states . This usage came to prominence during the debate around the Missouri Compromise of 1820, when drawing boundaries between slave and free territory and resurfaced during the American Civil War , with border states also coming into play. The Confederate States of America claimed
4080-408: The southern border of William Penn 's 1682 city plan and officially named Cedar Street until 1854, eastern South Street had been originally the center of local Swedish and Dutch populations, then Irish in the early to mid 1800s, and, many decades later, Jewish and Italian immigrant culture as well as a vibrant African-American neighborhood . Because Quaker doctrine opposed live performances within
4148-423: The survey of the Mason–Dixon line to the southwest corner of Pennsylvania, five degrees from the Delaware River. Other surveyors continued west to the Ohio River. The section of the line between the southwestern corner of Pennsylvania and the river is the county line between Marshall and Wetzel counties, West Virginia. As the 20th century moved along and modern roadways came to northeastern Maryland and Delaware,
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#17327727048024216-464: The way. This community of fans helped attract recording contracts for many artists, including Kenn Kweder, the bard of South Street, George Thorogood , and Robert Hazard . In 1976, the famous cheesesteak restaurant Jim's Steaks of West Philadelphia expanded to South Street, becoming the restaurant's first franchise. The restaurant has since split from the original franchise and is now separately owned and renamed as Jim's South Street . Starting in
4284-400: The west. And both sides thought this would place Fort Pitt in Virginia territory (in fact it would not have). With that in mind, the governor of Pennsylvania argued that, despite the agreement reached with Maryland, Pennsylvania's southern border west of Maryland was still the 39th parallel , about 50 miles (80 km) south of the Mason–Dixon line. Negotiations continued for five years, with
4352-410: Was contradictory and unclear. The most serious problem was that the Maryland claim would put Philadelphia , the largest city in Pennsylvania, in Maryland. The dispute was peacefully resolved in 1767 when the boundary was fixed as follows: The disputants engaged an expert British team, astronomer Charles Mason and surveyor Jeremiah Dixon , to survey what became known as the Mason–Dixon line. It cost
4420-404: Was formally abolished in 1846, but former slaves continued to be "apprenticed" to their masters until the passage of the Thirteenth Amendment to the United States Constitution in 1865. The Missouri Compromise line ( Parallel 36°30′ north ) had a much clearer geographic connection to slavery in the United States leading up to the Civil War . Popular culture contains a multitude of references to
4488-413: Was made after a Court of Chancery ruling affirming the 1732 agreement, but the issue remained unresolved until Frederick Calvert, 6th Baron Baltimore ceased contesting the claims on the Maryland side and accepted the earlier agreements. Maryland's border with Delaware was to be based on the Transpeninsular Line and the Twelve-Mile Circle around New Castle. The Pennsylvania–Maryland border was defined as
4556-526: Was never built due to public opposition . By the late 1950s and early 1960s, and especially following the Crosstown Expressway proposal and the resulting drop in rent and property prices, South Street served as an artists' haven and a hub of Beat subculture and, later, 1960s counterculture , bohemianism , and the hippie movement in Philadelphia, establishing a lasting association of South Street with avant-garde and alternative subcultures . Artist Isaiah Zagar has made South Street his home since
4624-412: Was one specific line drawn along a meridian in the Atlantic Ocean as part of the Treaty of Tordesillas in 1494 to divide new lands claimed by Portugal from those of Spain . This line was drawn in 1493 after Christopher Columbus returned from his maiden voyage to the Americas . The Mason–Dixon line (or "Mason and Dixon's Line") is a demarcation line between four U.S. states , forming part of
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