Map showing the order in which states ratified the Thirteenth Amendment to the United States Constitution.  All 36 states in existence when the House and Senate brought the Amendment to the states for ratification eventually ratified the Amendment, although Delaware, Kentucky, and Mississippi's post-enactment ratifications were not made until the 20th century.
This file was derived from: Blank US map 1864.svg:
SnowFireDerived using:

Blank US map 1864: Master Uegly
Blank US Map.svg: Theshibboleth