January 31
U.S. House Passes 13th Amendment Abolishing Slavery
Summary
By late 1864 the American Civil War had dragged on for nearly four years with Union forces gaining ground but slavery still legal in Confederate states. President Abraham Lincoln had issued the Emancipation Proclamation freeing slaves in rebel areas, yet a permanent constitutional solution was needed. On January 31, 1865, the U.S. House of Representatives passed the 13th Amendment by the required two-thirds majority after earlier Senate approval. The amendment stated that neither slavery nor involuntary servitude shall exist in the United States. It was then sent to the states for ratification, which came later that year. The vote marked a decisive congressional commitment to end slavery nationwide.
Why It Matters
Passage of the 13th Amendment provided the constitutional foundation for ending slavery across the entire country once the war concluded. It directly enabled the later 14th and 15th Amendments that addressed citizenship and voting rights. The amendment remains a cornerstone of American civil rights law and ended the legal institution of slavery that had shaped the nation's economy and society for centuries.
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US Military Atlas: U.S. House Passes 13th Amendment Abolishing Slavery connects to military history, war consequences, or postwar diplomacy.
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Sources
- House Passes the 13th Amendment - History.com, History.com. Accessed 2026-07-08.