Boundary Line Placement Timeline

Oct..20	1818	Treaty signed for joint British-American occupancy of Oregon Country
	1824	Dr. John McLoughlin founded Fort Vancouver with the closing of Fort George (Astoria)
	1825	McLoughlin informed by Hudson Bay Company directors in England that the area south of Columbia River was not going to be claimed by Great Britain
	1827	Joint occupancy agreement extended
	1836	Fort Vancouver (in Washington State) consisted of 3,000 acres with 2 sawmills and 2 grist mills.  Fort measured 750 by 450 feet
Aug	1845	Vancouver (Clark) County established north of Columbia River by American Provisional Government with Sir James Douglas, Michael T.Simmons, and John Forrest as Commissioners
Aug	1845	Britishers Henry James Warre and Mervin Vavasour explore from Willamette to Victoria for the Royal Army and prepare a report that specifies that Puget Sound cannot be defended from American settlers
Apr 28	1846	President Polk gave notice to Prime Minister Peel that joint occupancy treaty must be terminated
Jun 6	1846	British government proposed 49th parallel as the boundary in a communication to American government
Jun 15	1846	Treaty accepted and signed by Congress in Washington, DC