Impeachment process

Impeachment is a process that is started by members of the House of Representatives. They can vote to impeach any official from the Executive Branch or Judicial Branch. Below are people who have been impeached.

Presidents
There were also other officials who have had impeachment initiated on them, but charges were either dropped or the official resigned. These include James Buchanan in 1860 and Richard Nixon in 1973. Some presidents tried to be impeached but the prospect failed in the House. These include John Tyler, George W. Bush, and Barack Obama.

Senators
William Blount is the only Senator as of yet to be impeached. In 1799, the Senate voted 14-11 in favor of Blount stating that a Senator couldn't be impeached.