1840-1848

Main

Antislavery Liberty Party created

1840

Harrison dies in office, Tyler becomes president

1841

Polk becomes president over clay during manifest destiny

1844

Texas annexed

1845

Mexican war

1846 - 1848

oregon dispute settled with britain

1846

wilmot proviso, US and Mexico argue over border

1846

Free Soil Party created

1848

treaty of guadalupe hidalgo

1848