Lincoln, Abraham – (Born February 12, 1809; Died assassination by John Wilkes Booth April 15, 1865, Kentucky) Sixteenth President of the United States of America, (March 4, 1861 – April 15, 1865) first Republican President, first President to be assassinated (John Wilkes Booth and other co-conspirators) always listed in the top three Presidents of all time, called the Great Emancipator, for signing the Emancipation Proclamation, (under his war powers) leader of the Union during the Civil War, would have preserved slavery, if it would have preserved the Union. (Republican)