The University of Kentucky is founded in Lexington.
The state of Kentucky refuses to ratify the Thirteenth Amendment. Along with the Fourteenth and Fifteenth Amendments, it will not pass the state legislature until 1976.
U.S. & World
April 14 - President Abraham Lincoln is assassinated. He is succeeded in office by his Vice-President, Andrew Johnson.
The Freedmen's Bureau is founded.
The Thirteenth Amendment is ratified, outlawing slavery in the U.S.
The Secret Service is founded to combat the wave of currency counterfeiting around the country.