85th United States Congress
Senate

State (class)
Vacator
Reason for change
Successor
Date of successor's formal installation
Texas (1)
Price Daniel (D)
Resigned January 14, 1957, after being elected Governor of Texas. Successor appointed January 15, 1957.
William A. Blakley (D)
January 15, 1957
Texas (1)
William A. Blakley (D)
Interim appointee retired when successor elected. Successor elected April 28, 1957.
Ralph Yarborough (D)
April 29, 1957
Wisconsin (1)
Joseph McCarthy (R)
Died May 2, 1957. Successor elected August 27, 1957.
William Proxmire (D)
August 28, 1957
West Virginia (2)
Matthew M. Neely (D)
Died January 18, 1958. Successor appointed January 25, 1958.
John D. Hoblitzell, Jr. (R)
January 25, 1958
North Carolina (2)
W. Kerr Scott (D)
Died April 16, 1958. Successor appointed April 19, 1958, and then elected November 4, 1958.
B. Everett Jordan (D)
April 19, 1958
West Virginia (2)
John D. Hoblitzell, Jr. (R)
Interim appointee lost special election. Successor elected November 4, 1958.
Jennings Randolph (D)
November 4, 1958
California (1)
William F. Knowland (R)
Resigned early January 2, 1959.
Vacant
Not filled this term

Question: How was William Proxmire (D) been succeeded as a senator?
Answer: William Proxmire (D) was a senator until his death on May 2, 1957 and was succeeded by Joseph McCarthy (R) who took office on August 28, 1957.