November 6, 1860Reputable sourceWell documented
The Election of Abraham Lincoln
On the timeline · around November 6, 1860 ·
What happened
Abraham Lincoln, the candidate of the anti-slavery Republican Party, was elected president without carrying a single Southern state. His platform of halting the spread of slavery into the western territories alarmed the slaveholding South.
Why it matters
Lincoln's victory triggered the secession crisis; within weeks Southern states began leaving the Union rather than accept his presidency.