Historical Marker of the Treaty of Hartford Boundary (1650)

The Treaty of Hartford is a treaty concluded between

New Netherland New Netherland ( nl, Nieuw Nederland; la, Novum Belgium or ) was a 17th-century colonial province of the Dutch Republic that was located on the East Coast of the United States, east coast of what is now the United States. The claimed territor ...

and

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

on September 19, 1650, in

Hartford, Connecticut Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since the ...

Background

In 1650, Dutch

Director-General of New Netherland This is a list of Directors, appointed by the Dutch West India Company, of the 17th century Dutch province of New Netherland (''Nieuw-Nederland'' in Dutch) in North America. Only the last, Peter Stuyvesant, held the title of Director General. As t ...

Petrus Stuyvesant Peter Stuyvesant (; in Dutch also ''Pieter'' and ''Petrus'' Stuyvesant, ; 1610 – August 1672)Mooney, James E. "Stuyvesant, Peter" in p.1256 was a Dutch colonial officer who served as the last Dutch director-general of the colony of New Net ...

went to Hartford to negotiate a border with the governor of English Connecticut colony

Edward Hopkins Edward Hopkins (1600 – March 1657) was an English colonist and politician and 2nd Governor of the Connecticut Colony. Active on both sides of the Atlantic, he was a founder of the New Haven and Connecticut colonies, serving seven one-year t ...

. The Dutch colony of

was feeling increased pressure from the rising number of English colonists at its borders.

The treaty

Stuyvesant traded Connecticut land claims (the New Netherland claim encompassed the full length of the

Connecticut River The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges at Long Island ...

and as far east as

Narragansett Bay Narragansett Bay is a bay and estuary on the north side of Rhode Island Sound covering , of which is in Rhode Island. The bay forms New England's largest estuary, which functions as an expansive natural harbor and includes a small archipelago. Sma ...

) in order to get a clear boundary on

Long Island Long Island is a densely populated island in the southeastern region of the U.S. state of New York (state), New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United Sta ...

. They agreed on a Connecticut line 50 Dutch miles west of the mouth of the Connecticut River. On Long Island, a line would be drawn south from the westernmost point of Oyster Bay, through modern Nassau County. The treaty was signed on September 19. In practice, the treaty simply reflected changed facts on the ground. Settlement of the Dutch colony had clustered around the Hudson River with only isolated trading posts on the Connecticut (including

Fort Hoop House of Hope ( nl, Huys de Hoop), also known as Fort Good Hope ( nl, Fort de Goede Hoop), was a redoubt and factory in the seventeenth-century Dutch colony of New Netherland. The trading post was located at modern-day Hartford, Connecticut. ...

, which would become

). The exploding population of

New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...

, and the splintering impulses of its religious-based colonies, had led to significant English settlement in the Connecticut River Valley, along the coast of

Long Island Sound Long Island Sound is a marine sound and tidal estuary of the Atlantic Ocean. It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York to the south. From west to east, the sound stretches from the Eas ...

and on eastern Long Island.

Aftermath

Back in Europe, the

Dutch West India Company The Dutch West India Company ( nl, Geoctrooieerde Westindische Compagnie, ''WIC'' or ''GWC''; ; en, Chartered West India Company) was a chartered company of Dutch merchants as well as foreign investors. Among its founders was Willem Usselincx ( ...

approved the treaty, but the English government, which rejected all Dutch claims in North America as illegitimate, did not. In America, however, the agreement held straight through the English conquest of New Netherland in 1664. Indeed, the borders today between Connecticut and New York, and between Nassau and Suffolk Counties on Long Island, are, with some minor adjustments, those negotiated in 1650.

Background

The treaty

Aftermath

Further reading