Political map of North America & the Caribbean on 20 Dec 1860 (American Civil War: Secession of South Carolina), showing the following events: Jefferson Territory founded; Treaty of Comayagua; Treaty of Managua; Second siege of Veracruz fails; Battle of Anton Lizardo; Battle of Silao; Lincoln elected president; Secession of South Carolina.

Secession of South Carolina

American Civil War

North America 1860.122

Secession of South Carolina

American Civil War, French intervention in Mexico, Dominican Restoration War (20 December 1860)

Historical Map of North America & the Caribbean

By 1860, the rift between the slave states of the southern United States and the free states of the north was almost irreconcilable. When Abraham Lincoln of the anti-slavery Republican Party was elected president in spite of almost universal southern opposition, many southerners decided there was no future in the Union. In December, South Carolina became the first state to act by formally announcing its secession.

Main Events

Jefferson Territory founded

Settlers in western Kansas Territory approve the formation of the Provisional Government of the Territory of Jefferson, although this decision will never be legally recognized by the United States

Treaty of Comayagua

Great Britain agrees to cede Bay Islands and northern portion of Mosquito Coast to Honduras

Treaty of Managua

Great Britain agrees to recognize Nicaraguan sovereignty over Mosquito Coast

Second siege of Veracruz fails

Mexican Conservative forces under Miguel Miramon attempt to capture Veracruz but have to withdraw when they run out of ammunition

Battle of Anton Lizardo

United States naval forces attack and capture two Mexican Conservative ships under Tomas Marin off Anton Lizardo, Mexico, on the grounds that the Mexican Liberal government has declared Marin a pirate

Battle of Silao

Mexican Liberal troops overtake and defeat retreating Mexican Conservative forces under Miguel Miramon at Silao, Guanajuato

Lincoln elected president

Republican Party candidate Abraham Lincoln secures majority of electoral votes in United States presidential election

Secession of South Carolina

On 9 November 1860 the South Carolina General Assembly passed a "Resolution to Call the Election of Abraham Lincoln as U.S. President a Hostile Act" and stated its intention to declare secession from the United States. The following month, on 20 December, South Carolina declared its secession from the Union as the "Republic of South Carolina", becoming the first of the slave states to secede.

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