What is Andrew Johnson?
{{Infobox officeholder | image = Andrew Johnson portrait.jpg | caption = Portrait by Eliphalet F. Andrews,1880 | alt = Monochrome photograph of the upper body of Andrew Johnson | order = 17th | office = President of the United States | term_start = April 15, 1865 | term_end = March 4, 1869 | predecessor = [[Abraham Lincoln]] | successor = [[Ulysses S. Grant]] | vicepresident = ''None''{{Efn|Johnson was Vice President under President [[Abraham Lincoln]] and became President on [[Assassination of Abraham Lincoln|Lincoln's death]] on April 15, 1865. Prior to the adoption of the [[Twenty-fifth Amendment to the United States Constitution|Twenty-Fifth Amendment]] in 1967, a vacancy in the office of Vice President was not filled until the next ensuing election and inauguration.}} | office2 = 16th [[Vice President of the United States]] | president2 = [[Abraham Lincoln]] | term_start2 = March 4, 1865 | term_end2 = April 15, 1865 | predecessor2 = [[Hannibal Hamlin]] | successor2 = [[Schuyler Colfax]] | office6 = [[List of Governors of Tennessee|15th Governor of Tennessee]] | term_start6 = October 17, 1853 | term_end6 = November 3, 1857 | predecessor6 = [[William B. Campbell]] | successor6 = [[Isham G. Harris]] | office5 = [[Governor of Tennessee|Military Governor of Tennessee]] | appointer5 = [[Abraham Lincoln]] | term_start5 = March 12, 1862 | term_end5 = March 4, 1865 | predecessor5 = [[Isham G. Harris]]<br />(''Governor of Tennessee'') | successor5 = [[William Gannaway Brownlow]]<br />(''Governor of Tennessee'') | jr/sr3 = United States Senator | state3 = [[Tennessee]] | term_start3 = March 4, 1875 | term_end3 = July 31, 1875 | predecessor3 = [[William Gannaway Brownlow]] | successor3 = [[David M