1865. Your ignorance of history never ceases to amaze me.
Why do you insist on humiliating yourself over and over again?
WHEN DID SLAVERY REALLY END IN THE UNITED STATES?
"slavery in the continental United States came to an end as a legal institution on June 14, 1866, when the Creek Tribe agreed to abandon African-American slavery."
https://law.marquette.edu/facultyblog/2013/01/when-did-slavery-really-end-in-the-united-states/