The Royal Colonial Boundary of 1665 marked the border between the

Colony of Virginia The Colony of Virginia, chartered in 1606 and settled in 1607, was the first enduring English colony in North America, following failed attempts at settlement on Newfoundland by Sir Humphrey GilbertGilbert (Saunders Family), Sir Humphrey" (histor ...

and the

Province of Carolina Province of Carolina was a province of England (1663–1707) and Great Britain (1707–1712) that existed in North America and the Caribbean from 1663 until partitioned into North and South on January 24, 1712. It is part of present-day Alabam ...

from the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

westward across

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and th ...

. The line follows the parallel 36°30′ north

latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north ...

that later became a boundary for several U.S. states as far west as the

Oklahoma Panhandle The Oklahoma Panhandle (formerly called No Man's Land, the Public Land Strip, the Neutral Strip, or Cimarron Territory) is a salient in the extreme northwestern region of the U.S. state of Oklahoma, consisting of Cimarron County, Texas Cou ...

, and also came to be associated with the Missouri Compromise of 1820. It was a brainchild of King

Charles II of England Charles II (29 May 1630 – 6 February 1685) was King of Scotland from 1649 until 1651, and King of England, Scotland and Ireland from the 1660 Restoration of the monarchy until his death in 1685. Charles II was the eldest surviving child o ...

, and was intended to stretch from the Atlantic to the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the conti ...

. By 1819 it was

surveyed Surveying or land surveying is the technique, profession, art, and science of determining the land, terrestrial Two-dimensional space#In geometry, two-dimensional or Three-dimensional space#In Euclidean geometry, three-dimensional positions of ...

as far west as the

Mississippi River The Mississippi River is the List of longest rivers of the United States (by main stem), second-longest river and chief river of the second-largest Drainage system (geomorphology), drainage system in North America, second only to the Hudson B ...

near

New Madrid, Missouri New Madrid ( es, Nueva Madrid) is a city in New Madrid County, Missouri, United States. The population was 2,787 at the 2020 census. New Madrid is the county seat of New Madrid County. The city is located 42 miles (68 km) southwest of Cairo ...

, where it created the

Kentucky Bend The Kentucky Bend, variously called the New Madrid Bend, Madrid Bend, Bessie Bend, or Bubbleland, is an exclave of Fulton County, Kentucky, encircled by the states of Tennessee and Missouri. It is a portion of a peninsula defined by an oxbow ...

. It is a

historic civil engineering landmark __NOTOC__ The following is a list of Historic Civil Engineering Landmarks as designated by the American Society of Civil Engineers since it began the program in 1964. The designation is granted to projects, structures, and sites in the United State ...

, as designated by the

American Society of Civil Engineers American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, p ...

. It would later to be said of the project:

The boundary Charles II envisioned was one of the most grandiose in history. To decree an imaginary geographic straight line, 3,000 miles long, as a boundary across an unknown continent that he didn't even own was the height of royal pomposity.

The survey was done in five stages, using

cadastral A cadastre or cadaster is a comprehensive recording of the real estate or real property's metes-and-bounds of a country.Jo Henssen, ''Basic Principles of the Main Cadastral Systems in the World,'/ref> Often it is represented graphically in a cad ...

and

geodetic Geodesy ( ) is the Earth science of accurately measuring and understanding Earth's figure (geometric shape and size), orientation in space, and gravity. The field also incorporates studies of how these properties change over time and equivale ...

surveying Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and the distances and angles between them. A land surveying professional is ...

, being one of the first attempts to mark a boundary so long that it had to be concerned with the

curvature of the Earth Spherical Earth or Earth's curvature refers to the approximation of figure of the Earth as a sphere. The earliest documented mention of the concept dates from around the 5th century BC, when it appears in the writings of Greek philosophers. I ...

. A major aberration in the line occurs south of

Damascus, Virginia Damascus is a town in Washington County, Virginia, United States. The population was 814 at the 2010 census. It is part of the Kingsport– Bristol (TN)– Bristol (VA) Metropolitan Statistical Area, which is a component of the Johnson ...

due to the surveyor,

Peter Jefferson Peter Jefferson (February 29, 1708 – August 17, 1757) was a planter, cartographer and politician in colonial Virginia best known for being the father of the third president of the United States, Thomas Jefferson. The "Fry-Jefferson Map", cre ...

(father of

Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Fathers of the United States, Founding Father who served as the third president of the United States from 18 ...

), continually edging north of the proper latitude. There are three theories about this: # The surveyor was drunk. # Iron deposits in the mountains interfered with compass readings. # People who lived in Tennessee exerted influence over the location of the line. (There were few British subjects living in Tennessee at the time Peter Jefferson and his partners marked their segment from the

Dan River The Dan River flows in the U.S. states of North Carolina and Virginia. It rises in Patrick County, Virginia, and crosses the state border into Stokes County, North Carolina. It then flows into Rockingham County. From there it flows back i ...

to what is now the Tennessee/North Carolina state line.) The line was extended in 1779 and 1780 to the point at which it would first cross the

Cumberland River The Cumberland River is a major waterway of the Southern United States. The U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed June 8, 2011 river drains almost of southern Kentucky and ...

. From there, the state of Virginia hired Thomas Walker to survey the line to the

. Walker did not do a perfect job due to dense virgin forest, mountainous terrain, and rough riverbeds. In 1821 the state of Tennessee did a survey of the line to determine its true border with Kentucky, but this was not resolved since Kentucky was not participating. A joint survey by the two states was conducted in 1859, commanded by Austin P. Cox and Benjamin Pebbles. They started a survey from the New Madrid Bend of the Mississippi River to the

Cumberland Gap The Cumberland Gap is a pass through the long ridge of the Cumberland Mountains, within the Appalachian Mountains, near the junction of the U.S. states of Kentucky, Virginia, and Tennessee. It is famous in American colonial history for its r ...

, placing a stone slab every . In the west line would later be used for approximating a ''de facto'' boundary north of which slavery could not be practiced, as established in the

Missouri Compromise The Missouri Compromise was a federal legislation of the United States that balanced desires of northern states to prevent expansion of slavery in the country with those of southern states to expand it. It admitted Missouri as a Slave states an ...

of 1820. A marker at the

Cumberland Gap National Historical Park The Cumberland Gap National Historical Park is a United States National Historical Park located at the border between Kentucky, Tennessee, and Virginia, centered on the Cumberland Gap, a natural break in the Appalachian Mountains. The park lies ...

denotes where the boundaries of Kentucky, Tennessee, and Virginia intersect. Under the

Royal Proclamation of 1763 The Royal Proclamation of 1763 was issued by King George III on 7 October 1763. It followed the Treaty of Paris (1763), which formally ended the Seven Years' War and transferred French territory in North America to Great Britain. The Procla ...

it also marks how far west a

British American British American usually refers to Americans whose ancestral origin originates wholly or partly in the United Kingdom (England, Scotland, Wales, Northern Ireland, Cornwall, Orkney, and the Isle of Man). It is primarily a demographic or histor ...

colonist A settler is a person who has migrated to an area and established a permanent residence there, often to colonize the area. A settler who migrates to an area previously uninhabited or sparsely inhabited may be described as a pioneer. Settle ...

was allowed to reside. Its exact location is N 36'36.045, W 83'40.518.

References

{{DEFAULTSORT:Royal Colonial Boundary Of 1665 Pre-statehood history of Kentucky Pre-statehood history of North Carolina Pre-statehood history of Tennessee Colony of Virginia Historic Civil Engineering Landmarks Borders of Kentucky Borders of Tennessee 1665 in the Thirteen Colonies 1665 in Virginia