Andrew Johnson (December 29, 1808 – July 31, 1875), succeeding to the presidency upon the assassination of Abraham Lincoln.Johnson
was a U.S. Senator from
Greeneville, Tennessee at the time of the secession of the southern states.He was the
only Southern Senator
not to quit his post upon secession, and became the most prominent War Democrat from the South. In 1862 Lincoln appointed Johnson
military governor of Tennessee, where he proved energetic and effective in fighting the rebellion. Johnson was nominated for the Vice
President slot in 1864 on the National Union Party ticket. He was elected along with Abraham Lincoln in November 1864, and he became
president upon Lincoln's assassination on April 15, 1865.
The Radicals in the House of Representatives impeached him in 1868, and he was acquitted by a single vote in the Senate, that of Edmund
G. Ross. He was the first U.S. President to be impeached.
