Treaty of Walla Walla

Treaty of Walla Walla
Name	Treaty of Walla Walla
Date signed	June 9, 1855
Location signed	Walla Walla, Oregon Territory
Parties	United States, Cayuse, Yakama, Umatilla, Walla Walla, Nez Perce, Palouse
Language	English

Treaty of Walla Walla The 1855 Treaty concluded at Walla Walla brought together representatives of the United States and numerous Indigenous nations of the Columbia River plateau, aligning with contemporaneous agreements such as the Treaty of Olympia and the Treaty of Point Elliott. Negotiated amid tensions shaped by the Oregon Trail, the Yakima War, and pressures from Isaac Stevens' tenure as Washington Territory governor and Secretary of Washington Territory, the treaty redefined territorial relations between Native nations and the federal administration during the era of Manifest Destiny and westward expansion.

Background

By the early 1850s the populated landscape of the Columbia Plateau had been transformed by migrants associated with the Oregon Trail, the California Gold Rush, and settlers tied to the Hudson's Bay Company’s operations at Fort Vancouver. The Territory of Oregon and the newly organized Washington Territory confronted disputes involving the Cayuse War, the Rogue River Wars, and the strategic priorities of Isaac Stevens as he sought railroad routes linked to the Northern Pacific Railway surveys and to satisfy the Bureau of Indian Affairs policies promoted by the United States Department of War. Native leaders including Chief Joseph (Hin-mah-too-yah-lat-kekt), Kamiakin, Tohiakim and Walla Walla (Peo-peo-mox-mox) faced settler encroachment, disease outbreaks such as smallpox introduced via networks including the Hudson's Bay Company, and negotiation pressures exemplified by preceding instruments like the Medicine Creek Treaty.

Negotiation and Signing

Negotiations took place under the supervision of Governor Isaac Stevens and commissioners from the United States who arrived with military detachments from posts including Fort Dalles and Fort Walla Walla. Delegations of chiefs and headmen representing the Yakama Nation, Nez Perce Tribe, Umatilla Tribe, Walla Walla Tribe, Palouse people, and Cayuse people engaged in proceedings that mirrored other contemporaneous sessions at Fort Steilacoom and Point No Point. The conference involved interpreters connected to Marcus Whitman’s mission circles, traders affiliated with the Hudson's Bay Company, and figures from the American Board of Commissioners for Foreign Missions. The signing on June 9, 1855 formalized terms in the presence of military officers, clerks from the Bureau of Indian Affairs, and territorial legislators aligned with Congress of the United States debates over Indian policy.

Parties and Provisions

Signatories included representatives of the United States—led by Stevens and commissioners—and chiefs of multiple Indigenous polities: notable leaders such as Walla Walla (Peo-peo-mox-mox), Tohiakim, Kamiakin, and other chiefs of the Yakama and Nez Perce. Provisions mirrored federal treaties like the Treaty of Medicine Creek and contained commitments regarding annuities administered by the Bureau of Indian Affairs, reservations modeled on precedents like the Makah Reservation arrangements, and promises of supplies and agricultural implements similar to provisions in the Treaty of Point Elliott. The document addressed hunting rights analogous to clauses in the Boldt Decision era jurisprudence, allowances for missionaries associated with the American Board of Commissioners for Foreign Missions, and stipulations about criminal jurisdiction that would later intersect with rulings from the United States Supreme Court.

Land Cessions and Boundaries

The treaty delineated extensive land cessions across the Columbia River basin, transferring sovereignty and property claims from Indigenous polities to the United States while reserving specific territories for native use. Boundaries established in the agreement referenced geographic features such as the Blue Mountains, the Snake River, and the Palouse River, and implicated present-day regions within Oregon and Washington (state). The ceded lands opened corridors for settlers linked to the Oregon Trail migration and for infrastructure projects like planned segments of the Northern Pacific Railway. Maps produced by territorial surveyors and engineers working with the United States Army Corps of Engineers and the General Land Office implemented the treaty’s legal descriptions, which later became focal points in disputes adjudicated through the Federal judiciary.

Immediate Aftermath

In the months and years following the signing, tensions escalated as promised annuities and supplies were delayed, settlements expanded, and enforcement actions by detachments from Fort Walla Walla and Fort Dalles increased. The treaty’s shortcomings contributed to the outbreak of the Yakima War (1855–1858) and fed into military campaigns involving commanders such as George Wright (general), with battles that referenced strategic points across the Columbia Plateau. Leaders who had negotiated at Walla Walla, including Kamiakin and figures from the Yakama Nation, resisted incursions, and episodes of violence and reprisals prompted interventions by the United States Army and led to imprisonment and removal actions comparable to other forced relocations of the period.

Long-term Impact and Legacy

Over subsequent decades the treaty shaped legal, cultural, and territorial outcomes for the Nez Perce Tribe, Yakama Nation, Umatilla Tribe, Walla Walla Tribe, and other signatory nations, influencing litigation before the United States Supreme Court and administrative policy within the Bureau of Indian Affairs. The agreement’s boundaries and hunting-reservation clauses informed later rulings such as those arising from the Boldt Decision and fed into modern tribal sovereignty assertions pursued through the Indian Claims Commission and federal compact negotiations. Commemoration and controversy persist in public histories found at museums like the Washington State Historical Society and in scholarly work published by institutions such as University of Washington, Oregon State University, and Whitman College, where debates consider intersections with Manifest Destiny, settler colonialism scholarship, and contemporary tribal governance.

Category:1855 treaties Category:Native American history of Washington (state)