Unfortunately the 13 th couldn't be applied to the states until 1868 with passage of the 14 th amendment
The 13th Amendment to the United States Constitution, passed by the Senate on April 8, 1864, by the House on January 31, 1865, and ratified on December 6, 1865, abolished slavery as a legal institution.
Abraham Lincoln was assassinated on April 14, 1865.
He wasn't too long dead.