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Article I, Section 5, of the United States Constitution provides that "Each House [of Congress] may determine the Rules of its proceedings, punish its members for disorderly behavior, and, with the concurrence of two-thirds, expel a member." Since 1789, the Senate has expelled only fifteen of its entire membership.


Read more about expulsion and see a list of expulsion cases.

Historical Highlights

Learn more about expulsions by reading these essays and a book profile from the Senate Historical Office.

John Smith Resigns Under Fire, April 25, 1808

Ten Senators Expelled, July 11, 1861

Friendship or Treason?, February 5, 1862

High Court Upholds a Senator's Conviction, May 21, 1906

Book Profile

United States Senate Election, Expulsion, and Censure Cases

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