Andrew Johnson was the 17th President of the United States,
following the assassination of President Abraham Lincoln. He
was in office from 1865 until 1869. Johnson was the first  U.S.
President to be impeached. Most political historians rated him
as being among the worst of this countries presidents.

An artists illustration of Johnson’s impeachment trial in the United
States Senate.

President Abraham Lincoln delivered the Gettysburg Address as he
dedicated a national cemetery at the site of the Civil War battlefield
in Pennsylvania. 

Abraham Lincoln was elected as the sixteenth President
of the United States. He defeated three other candidates.