91st United States Congress
Senate
replacements: 3 Democratic: 2 seat net gain Republican: 2 seat net loss deaths: 1 resignations: 2 Total seats with changes: 3

91st United States Congress

Section Title: Senate
Table Section Text: replacements: 3 Democratic: 2 seat net gain Republican: 2 seat net loss deaths: 1 resignations: 2 Total seats with changes: 3

State (class)	Vacator	Reason for change	Successor	Date of successor's formal installation

Illinois (3)	Everett Dirksen (R)	Died September 7, 1969	Ralph Tyler Smith (R)	September 17, 1969

Illinois (3)	Ralph Tyler Smith (R)	Successor elected November 3, 1970	Adlai Stevenson III (D)	November 17, 1970

Delaware (1)	John J. Williams (R)	Resigned December 30, 1970	William V. Roth Jr. (R)	January 1, 1971

California (1)	George Murphy (R)	Resigned January 2, 1971	John V. Tunney (D)	January 2, 1971

Sentence(s)

George Murphy (R),served as senate until January 2, 1971, which was later served by John V. Tunney (D), from January 2, 1971 3.

final_sentence: George Murphy (R),served as senate until January 2, 1971, which was later served by John V. Tunney (D), from January 2, 1971 3.