Presidential Proclamation regarding the Oregon Treaty
8/5/1846
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On August 5, 1846, President James K. Polk proclaimed the Treaty with Great Britain, in Regard to Limits Westward of the Rocky Mountains. This treaty resolved the Oregon border dispute by drawing a straight line along the 49th parallel. The line extended the existing boundary between the United States and Britain over the Rocky Mountains to the Pacific Ocean.
This primary source comes from the Records of the Foreign Service Posts of the Department of State.
National Archives Identifier: 594196
Full Citation: Presidential Proclamation regarding the Oregon Treaty; 8/5/1846; Records of the Foreign Service Posts of the Department of State, Record Group 84. [Online Version, https://www.docsteach.org/documents/document/presidential-proclamation-regarding-the-oregon-treaty, May 1, 2024]Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.