Fifty Four Forty

&nbsp The PoD for the Fifty Four Forty timeline is June 15, 1846, when US President James K. Polk makes good on his campaign promises and refuses the Oregon Treaty proposed by Great Britain, instead chosing to mobilize the United States Armed Forces and forcibly seize the entirity of the Oregon Territory, up to the Russian Border at the 54-40 Parallel.

Timeline
June 15, 1846- President Polk refuses the Oregon Treaty with Great Britain. American soldiers seize Forts Okanogan and Vancouver from British control on the Columbia River and begin sending large numbers of soldiers and supplies west along the Oregon Trail.