1805 map showing western "Indian Boundary" between Port William and Fort Recovery, as well as the northern "Gen Wayne Treaty 1795" boundary between Fort Recovery and the Muskingum River 40mi. west of Salem. Much of the land east and south of these boundaries was open to settlement after the Treaty of Greenville.

The Treaty of Greenville, formally titled Treaty with the Wyandots, etc., was a 1795 treaty between the United States and Indians of the Northwest Territory including the Wyandot and Delaware, which redefined the boundary between Indian lands and Whiteman's lands in the Northwest Territory.

It was signed at Fort Greenville,^[1] now Greenville, Ohio, on August 3, 1795, following the Native American loss at the Battle of Fallen Timbers a year earlier. It ended the Northwest Indian War in the Ohio Country, limited Indian Country to northwestern Ohio, and began the practice of annual payments following land concessions. The parties to the treaty were a coalition of Native American tribes known as the Western Confederacy, and the United States government represented by General Anthony Wayne and local frontiersmen.

The treaty became synonymous with the end of the frontier in the Northwest Territory.

General "Mad Anthony" Wayne, who led the victory at Fallen Timbers, led the American delegation. Other members included William Wells, William Henry Harrison, William Clark, Caleb Swan, and Meriwether Lewis.

Native American leaders who signed the treaty included leaders of these bands and tribes: Wyandot (chiefs Tarhe, Leatherlips, and Roundhead), Delaware (several bands). Shawnee (Chief Blue Jacket), Ottawa (several bands), Chippewa, Potawatomi (23 signatories, including Gomo, Siggenauk, Black Partridge, Topinabee and Five Medals), Miami (several bands, including Chief Little Turtle of the Miami-Illinois band), Wea, Kickapoo, and Kaskaskia.

The Treaty consisted of 10 articles that provided:

The treaty established what became known as the Greenville Treaty Line delineated below. For several years it distinguished Native American territory from lands open to European-American settlers, although settlers continued to encroach. In exchange for goods to the value of $20,000 (such as blankets, utensils, and domestic animals), the Native American tribes ceded to the United States large parts of modern-day Ohio.

The treaty also established the "annuity" system of payment in return for Native American cessions of land east of the treaty line: yearly grants of federal money and supplies of calico cloth to Native American tribes. This institutionalized continuing government influence in tribal affairs and gave outsiders considerable control over Native American life.^{[2][better source needed]}

The treaty redefined with slight modifications the boundaries in Ohio established previously by the Treaty of Fort McIntosh in 1785 and reasserted in the Treaty of Fort Harmar in 1789. In particular, the western boundary, which formerly ran northwesterly to the Maumee River, now ran southerly to the Ohio River.

Ohio had developed settlements and defined tracts of land prior to 1795, including the Western Reserve, Seven Ranges survey area, Virginia Military District, Symmes Purchase, and two Ohio Company purchases, all in eastern and southern Ohio, as well as the line of western forts built by Wayne through Fort Recovery along the Great Miami River valley. The boundary line would need to encompass all these, covering about 2/3 of Ohio Country, within Whiteman's land.

The treaty line began at the mouth of the Cuyahoga River in present-day Cleveland and ran south along the river to the portage between the Cuyahoga and Tuscarawas rivers, in what is now known as the Portage Lakes area between Akron and Canton. The line continued down the Tuscarawas to Fort Laurens near present-day Bolivar. From there, the line ran west-southwest to near present-day Fort Loramie on a branch of the Great Miami River. From there, the line ran west-northwest to Fort Recovery, on the Wabash River near the present-day boundary between Ohio and Indiana. From Fort Recovery, the line ran south-southwest to the Ohio River at a point opposite the mouth of the Kentucky River in present-day Carrollton, Kentucky.

There were also other forts along the Great Lakes nominally under U.S. sovereignty but occupied by the British, including Fort Miamis, and other outpost forts in Ohio and Indiana. In Indiana, there was the Vincennes Tract, Clark's Grant and the settlement at Ouiatenon to protect.

The treaty also permitted established U.S. Army posts and allocated strategic reserved tracts within the Indian Country to the north and west of the ceded lands, the most important of which was the future site of Fort Dearborn (later, downtown Chicago) on Lake Michigan,^{[nb 1][4]} Other American lands within Indian Country included Fort Detroit, Ouiatenon, Fort Wayne,^[5] Fort Miami,^[6] and Fort Sandusky.^[7]

The treaty exempted from relinquishment established settlements at Vincennes, Clark's Grant, various French settlements, and Fort Massac.

The United States renounced all claims to (Indian) lands not within the treaty line in Ohio or parcels exempted.

The Indians were to recognize the United States as the sole sovereign power in the entire territory but otherwise the Indians would have free use of Indian lands as long as they were kindly disposed to Whitemen.

The treaty also arranged for an exchange of prisoners, and specified which parties would be responsible for enforcing the boundary and punishing transgressions.

Continuing encroachments by settlers on Indian Country north and west of the treaty line (and future treaty lines, see Treaty of Vincennes, Treaty of Grouseland, Treaty of Fort Wayne of 1809), especially in Indiana, would lead a disgruntled Tecumseh, who had not signed the Treaty of Greenville, to reform the Confederacy at Prophetstown over the following decade. Unrest among the tribes culminated in the Battle of Tippecanoe in 1811, a major defeat for the Indians that may have contributed to the Indians siding with the British in the looming War of 1812.

The Treaty of Greenville closed the frontier in the Northwest Territory. Thereafter began a series of purchases of Indian lands by treaty and Indian removals by law throughout the territory (later Indiana Territory, etc., which became several modern states) interrupted briefly by the War of 1812. Indians were moved west of the Mississippi River to Indian Country reservations in what later became the state of Oklahoma in a process that culminated with the dismantling of the Great Miami Reserve in Indiana by treaties in the 1830s. By 1840, the Old Northwest was essentially clear of Indians. Future Indian conflicts would all be west of the Mississippi.

The treaty line would become the southwestern boundary of the Northwest Territory at its division in 1800. Upon Ohio statehood in 1803, the western boundary of Ohio ran due north from a place on the Ohio River somewhat east of the south-southwesterly treaty line, leaving a sliver of land called "The Gore" in what is today southeastern Indiana remaining as part of the Northwest Territory. "The Gore" was ceded to Indiana Territory at that time, and became Dearborn County in March, 1803.

Among the signers were Meriwether Lewis and William Clark, who met for the first time here, and would go on to launch the Lewis and Clark expedition in 1804 to claim the Louisiana Purchase for the United States.

Historic Fort Greene Ville was abandoned in 1796; it would be another 12 years before the settlement of Greenville, Ohio, was founded on the site.

It was the last treaty signed by Gen. Wayne; he died just over a year later, in December 1796.

A painting commemorating the treaty hangs in the Ohio Statehouse. It was completed by Ohio artist Howard Chandler Christy. At 23 feet (7.0 m) wide, it is the largest painting in the Ohio Statehouse.^[8]

• List of Indian treaties
• Indian Removals in Ohio

• Video explaining painting at the Ohio Statehouse

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