The Underground Railroad Project National Timeline
Click to download printable copy of timeline
Use the links below to find more information about each event
1817
- The American Colonization Society formed.
1820
- The Missouri Compromise: Missouri was admitted as a slave state.
- Maine was admitted as a free state.

- The rest of the Louisiana Territory was free.

1822
- Colony established on the West Coast of Africa, this eventually would become the nation of Liberia.
1831
- The Liberator begins publication. This newspaper, published by William Lloyd Garrison, spread the belief of immediate emancipation.
1833
- The American Anti-Slavery Society formed.
1849
- California applies for admission to the Union as a free state.
1850
- Compromise of 1850.
- California was admitted as a free state.
- The Texas boundary was set at its present limits.
- The territories of New Mexico and Utah were organized.
- A stronger fugitive slave law was enacted.
- The slave trade was suppressed in the District of Columbia.
1852
- Publication of Uncle Tom’s Cabin by Harriet Beecher Stowe.
1854
- Kansas-Nebraska Act: allowed residents in the new territories to decide for themselves whether or not there would be slavery. This act invalidated the Compromise of 1820.
1857
- The Dred Scott Decision: this court decision stated that Dred Scott was not a citizen; that residence in a free territory did not make Scott free; and that Congress lacked the power to bar slavery from a territory, as it had done in the Missouri Compromise.
- Resolution passed in the Georgia Senate: “Resolved, that his Excellency President Pierce, be requested to
employ a sufficient number of able-bodied Irishmen to proceed to the State of Vermont and dig a ditch around the limits of the same, and float ‘the thing’ into the Atlantic.”
1858
- The Lincoln-Douglas debates
1859
- John Brown raids Harpers Ferry.
1860
- Democratic party splits in half.
- Abraham Lincoln elected president.

- South Carolina secedes from the Union.

1861
- Confederacy established.
- Attack on Fort Sumter.

1863
- Emancipation Proclamation delivered by Abraham Lincoln, declaring freedom for slaves who lived in rebelling states.
1868
- Fourteenth Amendment ratified.
1870
- Fifteenth Amendment ratified.



