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The 1860 United States presidential election was the 19th quadrennial presidential election, held on November 6, 1860. In a four-way contest, the Republican Party ticket of Abraham Lincoln and Hannibal Hamlin, absent from the ballot in ten slave states,[2] won a national popular plurality, a popular majority in the North where states already had abolished slavery, and a national electoral majority comprising only Northern electoral votes. Lincoln's election thus served as the main catalyst of the American Civil War.