Chronology
1820 Missouri Compromise admits
Missouri as a slave state, but
prohibits slavery elsewhere in
Louisiana territory above latitude
36 30' N
1828 South Carolina politician John
Calhoun urges nullification in
response to the 1828 tariff
1831 Nat Turner's slave rebellion sends
shock waves through the South;
William Lloyd Garrison founds
abolitionist newspaper The Liberator
1836 Congress adopts the Gag Resolution
on slavery
1845 Texas and Florida are admitted to the
Union
1846-48 War between the United States and
Mexico
1846 Wilmot Proviso calls for barring
slavery from lands acquired from
Mexico
1848 Free Soil Party fields presidential
candidate
1850 Compromise of 1850 includes
admission of California as a free state
and enactment of a tough Fugitive
Slave Law
1852 Whig Party fields its last serious
presidential candidate, signals
breakdown of the two-party system;
publication of Harriet Beecher Stowe's
Uncle Tom's Cabin makes many
northerners sensitive to the issue of
slavery
1854 Kansas-Nebraska Act repeals the
Missouri Compromise and inflames
sectional tensions
1857 The Supreme Court's Dred Scott
decision opens Federal territories to
slavery and outrages many people in
the North
1859 John Brown's raid on Harper's Ferry
intensifies sectional tensions
1860 6 November Abraham Lincoln
elected President
20 November South Carolina secedes
from the Union
1861 9 January-1 February The remaining
six states of the Lower South secede
4 February-11 March Convention
of delegates from the seceded states
in Mongtomery, Alabama, writes a
Constitution and selects Jefferson
Davis and Alexander H Stephens
as provisional President and
Vice-President of the Confederate
States of America
4 March Lincoln's first inaugural
address
12-13 April Confederate
bombardment results in the surrender
of Fort Sumter
15 April-8 June Four states of the
Upper South secede in response to
Lincoln's call for volunteers
Early May Winfield Scott briefs
President Lincoln about a strategy
later known as the 'Anaconda Plan'
11 May Camp Jackson affair, St Louis,
Missouri
20 May Confederate Congress
votes to move national government
from Montgomery, Alabama, to