1846Jun, 15
The Oregon Treaty establishes the 49th parallel as the border between the United States and Canada, from the Rocky Mountains to the Strait of Juan de Fuca.
The Oregon Treaty is a treaty between the United Kingdom and the United States that was signed on June 15, 1846, in Washington, D.C. The treaty brought an end to the Oregon boundary dispute by settling competing American and British claims to the Oregon Country; the area had been jointly occupied by both Britain and the U.S. since the Treaty of 1818.
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Events on 1846
- 11May
Mexican-American War
President James K. Polk asked for a Declaration of War against Mexico, starting the Mexican-American War. It is approved on May 13. - 7Jul
Conquest of California
American troops occupy Monterey and Yerba Buena, thus beginning the conquest of California. - 10Sep
Sewing machine
Elias Howe is granted a patent for the sewing machine. - 24Sep
Zachary Taylor
Mexican-American War: General Zachary Taylor captures Monterrey. - 16Oct
Ether Dome
William T. G. Morton first demonstrated ether anesthesia at the Massachusetts General Hospital in the Ether Dome.