the judicial branch
court
Not every impeachment is put on trial.
He was acquitted and allowed to finish his term of office.
The Senate hols the trial if the House votes to impeach.
Under current Senate rules, the Chief Justice of the US Supreme Court presides over any impeachment trials.
Johnson ignored the Tenure of Office Act.
President Clinton was removed from office.
The role that the senate has in the impeachment process is sole power to try-to judge, sit as a court-in impeachment cases.
Richard M. Nixon was never impeached. After being assured he would be found guilty in a US Senate impeachment trial, he resigned before that happened on 9August 1974.
Andrew Jackson was not impeached; Andrew Johnson was. When the Radical Republicans were in charge of Congress, they hoped that the South was punished severely, and Johnson talked tough about Reconstruction. Andrew Johnson then proceeded to do exactly opposite of what he had promised, vetoing every act that helped the new freedmen and allowing a swift and extremely lenient reunion for the Southern states. The Radical Republicans were astonished and tried to kick him from the position of President.
The Senate holds the trail for a SC Justice if impeached. The House compiles the list of charges and evidence against the Justice.