Although four U.S. presidents have faced articles of impeachment — Andrew Johnson, Richard Nixon, Bill Clinton and Donald Trump — none of them were actually removed from office via a U.S. Senate trial ...

The twice-impeached Trump repeatedly has made his policy clear on Nixon, the last president to resign. It’s imperative that Trump is “restrained in a constitutional straitjacket in the next few days,” ...

The House initiated an impeachment process against Nixon in February 1974, authorizing the Judiciary Committee to investigate whether grounds existed to impeach him of high crimes and misdemeanors.

The Smithsonian’s National Museum of American History in Washington, D.C., has removed references to President Donald Trump in a display about impeachments, despite Trump being the first and only ...