Events
1820's:
U.S. population is reaches 10 million (1.7 million being African)
First public high school opens in Boston
Monroe Doctrine announced
U.S. signs treaty with Russia
John Quincy Adams is elected president
Democratic party is established
Slavery is abolished in Mexico
1830's:
U.S. census reaches 13 million (2.3 million being of African descent)
Indian removal Bill is passed by congress
Nat Turner's Rebellion
Slavery is abolished in the British Empire
Texas declares independence from Mexico
Slaves from L'Amistad ship are freed by U.S. supreme court
1840's:
U.S. population reaches 17 million (including 3 million people of African Descent)
Supreme court deems prohibiting the capture of fugitive slaves as "unconstitutional"
Mexican wars begins and ends by 1848
http://nationalhumanitiescenter.org/pds/triumphnationalism/timeline.pdf