Andrew Johnson was impeached by the House of Representatives in 1868, but was acquitted by the Senate.

Article II, Section 4 of the US Constitution states that the President "shall be removed from Office on Impeachment for, and Conviction of, Treason, Bribery, or other high Crimes and Misdemeanors."

Andrew Johnson, Bill Clinton, and Donald Trump have all been impeached by the House of Representatives.

The impeachment process begins in the House of Representatives, where a majority vote is required to impeach the President.

After the House of Representatives votes to impeach the President, the Senate holds a trial to determine whether the President is guilty of the charges. A two-thirds majority vote is required to convict the President.

If the President is convicted by the Senate, they are removed from office and are also disqualified from holding any future office of honor, trust, or profit under the United States.

Donald Trump was impeached by the House of Representatives in 2019 and again in 2021.

Donald Trump was impeached by the House of Representatives in 2019 on charges of abuse of power and obstruction of justice.

Donald Trump was impeached by the House of Representatives in 2021 on a charge of incitement of insurrection.

Donald Trump was acquitted by the Senate in his first impeachment trial in 2020.

Donald Trump was acquitted by the Senate in his second impeachment trial in 2021.

Donald Trump is the only US President to be impeached twice. This is a significant event that has implications for the future of the impeachment process and for the political stability of the United States.

There are a variety of arguments for and against presidential impeachment. Some people argue that the impeachment process is a necessary check on presidential power, while others argue that it is a political tool that can be used against any President. Some people argue that the impeachment process is a way to hold the President accountable for their actions, while others argue that it is a divisive and partisan process.

It is impossible to predict what the future of presidential impeachment will be. The impeachment process is a complex and evolving one, and it is likely to change in the years to come.