Footnotes for the Sessions of the
89th Congress, 1965-1967

session type convened adjourned President pro Tempore
of the Senate
Speaker of the House
of Representatives
1stodd4 January 196523 October 1965HaydenMcCormack

Senate President pro Tempore Carl Hayden served as acting President of the Senate during this "odd" session of the 89th Congress due to a vacancy in the Vice Presidency of the United States until Noon on 20 January 1965 (when Vice President Hubert H. Humphrey was sworn in for a full four-year term in that office); during this same period, House Speaker John W. McCormack was next in line to the Presidency under the 1947 Presidential Succession Act.

2ndeven10 January 196622 October 1966HaydenMcCormack
 

   

"Regular" Sessions of Congress
"Regular" Sessions prior to the adoption of the 20th Amendment (1933)
"Regular" Sessions after the adoption of the 20th Amendment (1933)
"Extra" Sessions
"Special SENATE" Sessions

Related information:
Political Party Floor Leaders in the Congress of the United States
A Brief History of Congressional Leadership