Mississippi ratified the amendment in 1995, but because the state never officially notified the US Archivist, the ratification is not official.
New Mexico abolished slavery in 1821
The states that voted against the 13th Amendment, which abolished slavery in the United States, were Delaware, Kentucky, and Mississippi. While the amendment passed in Congress and was ratified by the necessary states, these three states either rejected it or did not ratify it initially. However, Mississippi eventually ratified the amendment in 1995, and Kentucky formally ratified it in 1976, while Delaware remained the only state that never ratified it.
Illinois was the first state to ratify the 13th Amendment
The one amendment that was ratified in a different way than the others was the Twenty-first Amendment. It was ratified using a state ratifying convention.
The only constitutional amendment ratified by approval of conventions in three-fourths of the states is the 21st Amendment. Ratified in 1933, it repealed the 18th Amendment, which had established Prohibition in the United States. The 21st Amendment was unique in that it was the first and only amendment to be ratified by state conventions rather than by state legislatures.
Oregon
The Thirteenth Amendment ended slavery in the United States.
The last state to end slavery was Texas. Another answer: Texas was the last Confederate state to end slavery: June 19, 1865, Juneteen It did not end in the entire United States until December 18, 1865. At that point the Secretary of State declared the 13th amendment ratified. It ended in the four border states: Delaware, Maryland, Kentucky, and Missouri.
It was ratified by state conventions rather than by state legislatures.A+:)
amendment 21
ratified by state legislatures or state conventions.