The rules forged during Andrew Johnson’s impeachment would go on to serve as a road map for the Senate trial of President ...

Almost 160 years ago, on February 24, 1868, Andrew Johnson became the first president in American history to be impeached. It was a moment many had warned about decades earlier, long before Johnson ...

The Rare Books Collection has added an unusual document to its archive: a horoscope by Boston astrologer Thomas Lister to President Andrew Johnson during his impeachment trial. Dated April 10, 1868, ...

Last modified August 14, 2017. <a href="https://www.nps.gov/articles/why-was-andrew-johnson-impeached.htm">https://www.nps.gov/articles/why-was-andrew-johnson-impeached.htm</a>.