Who was impeached in 1868 but remained in office?

Andrew Johnson was impeached in 1868 but remained in office because he was acquitted by the Senate. The impeachment stemmed from political conflicts following the Civil War, particularly regarding Johnson's leniency towards the Southern states and his attempt to remove Edwin M. Stanton from his position as Secretary of War, which was deemed to violate the Tenure of Office Act. The impeachment process in the House of Representatives led to charges against him, but when the trial was held in the Senate, he narrowly escaped conviction by just one vote, allowing him to complete his presidency until its end in 1869. This impeachment is historically significant as it reflects the intense political strife of the Reconstruction era and has influenced the understanding of impeachment powers in the U.S. government.