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99th United States Congress


99th United States Congress

99th United States Congress
98th ← → 100th

United States Capitol (2002)

Duration: January 3, 1985 – January 3, 1987

Senate President: George Bush (R)
Senate Pres. pro tem: Strom Thurmond (R)
House Speaker: Tip O'Neill (D)
Members: 100 Senators
435 Representatives
5 Non-voting members
Senate Majority: Republican Party
House Majority: Democratic Party

1st: January 3, 1985 – December 20, 1985
2nd: January 21, 1986 – October 18, 1986

The Ninety-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 1985 to January 3, 1987, during the fifth and sixth years of Ronald Reagan's presidency. The apportionment of seats in the House of Representatives was based on the Twentieth Census of the United States in 1980. The Republicans maintained control of the Senate, while the Democrats maintained control of the House of Representatives.


Major events

Major legislation

Party summary


Party standings on the opening day of the 99th Congress
  47 Democratic Senators
  53 Republican Senators
Affiliation Members
  Democratic Party 47
  Republican Party 53
Total 100

House of Representatives

House seats by party holding majority in state
  80+ -100% Republican
  80+ -100% Democratic
  60+ -80% Republican
  60+ -80% Democratic
  50+ -60% Republican
  50+ -60% Democratic
  striped: evenly split
Affiliation Members Voting
  Democratic Party 253 58.2%
  Republican Party 182 41.8%
Total 435



Majority (Republican) leadership

Minority (Democratic) leadership

House of Representatives

Majority (Democratic) leadership

Minority (Republican) leadership


This list is arranged by chamber, then by state. Senators are listed in order of seniority, and Representatives are listed by district.


Senators are popularly elected statewide every six years, with one-third beginning new six-year terms with each Congress.

House of Representatives

Changes in membership


Vacator Reason for change Successor Date of successor's
formal installation
West Virginia
Vacant Seat remained vacant at end of previous congress until Sen-elect Rockefeller finished term as Governor of West Virginia Jay Rockefeller (D) January 15, 1985

House of Representatives

District Vacator Reason for change Successor Date successor
Indiana's 8th Disputed House declared McCloskey the winner after auditors from the US General Accounting Office conducted a recount and Republican floor votes were rejected Frank McCloskey (D) May 1, 1985
Louisiana's 8th Gillis W. Long (D) Died January 20, 1985 Catherine S. Long (D) March 30, 1985
Texas's 1st Sam B. Hall (D) Resigned May 27, 1985 after being appointed judge for the US District Court for the Eastern District of Texas Jim Chapman (D) August 3, 1985
New York's 6th Joseph P. Addabbo (D) Died April 10, 1986 Alton R. Waldon, Jr. (D) June 10, 1986
Hawaii's 1st Cecil Heftel (D) Resigned July 11, 1986 Neil Abercrombie (D) September 20, 1986
North Carolina's 10th Jim Broyhill (R) Resigned July 14, 1986 after being appointed to the US Senate Cass Ballenger (R) November 4, 1986
Illinois's 4th Died July 17, 1986 Vacant Not filled this term
Illinois's 14th John E. Grotberg (R) Died November 15, 1986 Vacant Not filled this term
North Carolina's 3rd Charles O. Whitley (D) Resigned December 31, 1986 Vacant Not filled this term

See also

  • Related articles on a diagram


  • Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company. 
  • Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company. 

External links

  • Biographical Directory of the U.S. Congress
  • U.S. House of Representatives: Congressional History
  • U.S. Senate: Statistics and Lists
  • Ninety-Ninth Congress, Pocket Congressional Directory.  
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