The impeachment trial of Andrew Johnson adjourned after the second and third articles of impeachment did not obtain enough votes from the U.S. Senate to convict.

The impeachment trial of Andrew Johnson, 17th president of the United States, was held in the United States Senate and concluded with acquittal on three of eleven charges before adjourning sine die without a verdict on the remaining charges. It was the first impeachment trial of a U.S. president and was the sixth federal impeachment trial in U.S. history. The trial began March 5, 1868, and adjourned on May 26.

The United States Senate is a chamber of the bicameral United States Congress; it is the upper house, with the U.S. House of Representatives being the lower house. Together, the Senate and House have the authority under Article One of the U.S. Constitution to pass or defeat federal legislation.