Walter Mondale served as Vice President of the United States from 1977-1981. He previously served in the U.S. Senate and as Attorney General of Minnesota. He identified as a Democrat. He died in 2021.
1968
–Endorsed Hubert Humphrey (D) for President (lost general election)
1972
–Endorsed Hubert Humphrey (D) for President (lost primary)
1976
–Endorsed Jimmy Carter (D) for President (won)
1980
–Endorsed Jimmy Carter (D) for President (lost general election)
1982
–Endorsed Frank Lautenberg (D) for Senator of New Jersey (won)
2008
–Endorsed Hillary Clinton (D) for President (lost primary)
–Endorsed Barack Obama (D) for President (won)
2016
–Endorsed Hillary Clinton (D) for President (lost general election)
2018
–Endorsed Tim Walz (D) for Governor of Minnesota (won)
–Endorsed Keith Ellison (D) for Attorney General of Minnesota (won)
–Endorsed Tina Smith (D) for Senator of Minnesota (won)
–Endorsed Dan Feehan (D) for Representative of Minnesota, 1st District (lost general election)
2020
–Endorsed Amy Klobuchar (D) for President (lost primary)
–Endorsed Joe Biden (D) for President (won)
–Endorsed Tina Smith (D) for Senator of Minnesota (won)
The Endorsement Project 