When were slaves freed in america?

Four additional slave states then seceded. Due to Union measures such as the Confiscation Acts and Emancipation Proclamation in 1863, the war effectively ended slavery, even before ratification of the Thirteenth Amendment in December 1865 formally ended the legal institution throughout the United States. read more

(The Root) — Though President Abraham Lincoln ended slavery with the signing of the Emancipation Proclamation in 1863, slaves in Texas had no knowledge of their freedom until two and a half years later. read more

Legally, the last 40,000-45,000 slaves were freed in the last two slave states of Kentucky and Delaware by the final ratification of the Thirteenth Amendment to the Constitution on December 18, 1865. read more