-
1837
Candian rebellion and caroline incident -
1839
Arrostook War breaks out over maine boundary -
1840
Antislavery liberty party organized -
1841
Harrison dies after four weeks in office and tyler assumes presidenancy -
1842
Webster -Ashbuton treaty -
1844
Polk defeats clay in manifest destiny election -
1845
The United States annexes Texas -
1845
Walker Tariff/Independent treasury restored to the U.S. settles Oregon dispute with Britain. Mexico and the U.S> clash over Texas boundary. Fremont conquers California.Wilmt Proviso passes for the House of representives -
Period: to
Mexican war
Disputes over polk wanting California -
1847
Battle of Buena Vista. -
1848
Treat of Guadalupe Hidalgo