President Andrew Johnson has two important distinctions in American history. One is that he was Abraham Lincoln’s vice-president and became the nation’s 17th president after Lincoln’s assassination. The second is that he was the first president to be impeached (and only the second overall, with Bill Clinton being the other one). Impeachment is a formal hearing in the House of Representatives that is done to decide if formal charges of wrongdoing are warranted. If the impeachment is successful, a full trial will be held by the Senate to determine if the president or other high-level government official will be removed from office.
In both Johnson’s and Clinton’s cases, the House of Representatives voted to send them to the Senate for trial to be removed from office. In both cases, the Senate acquitted them, and they were allowed to remain in their presidential positions...