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Trivia answer

How many incumbent vice presidents have won a presidential election?
a. Two
b. Four
c. Seven
d. Nine

There have been 12 presidential elections where the incumbent vice president sought the presidency. Four of those elections resulted in the vice president winning, four in the vice president being defeated in the general election, and four in the vice president failing to secure nomination. Three of the successful vice presidents won election in the Republic's early years; John Adams (Federalist) in 1796, Thomas Jefferson (Democratic-Republican) in 1800, and Martin van Buren (D) in 1836. The only incumbent vice president to win election in the modern era was George H.W. Bush (R) in 1988.

The first incumbent vice president to unsuccessfully seek the presidency was John C. Breckenridge (D), who lost the 1860 presidential election to Abraham Lincoln (R). The other three who lost general elections ran after their party had occupied the White House for two terms. Richard Nixon (R) was defeated by John F. Kennedy (D) in 1960 after Dwight Eisenhower's (R) two terms in office. Hubert Humphrey (D) was in turn defeated by Nixon in 1968 after Democrats won the 1960 and 1964 elections. Most recently, Al Gore (D) was defeated by George W. Bush (R) to succeed two-term president Bill Clinton (D).

In between Breckenridge's 1860 bid and Nixon's unsuccessful run in 1960, four vice presidents were defeated for their party's nomination. In the 1896 Democratic convention, former Rep. William Jennings Bryan (D) won the nomination over a slew of candidates. Although he was not among the major contenders, some delegates did cast votes for Vice President Adlai Stevenson I (D). Vice President Charles Fairbanks (R) sought the Republican nomination to succeed Theodore Roosevelt (R) in 1908 but was defeated by William Howard Taft (R). In 1940, Vice President John Nance Garner unsuccessfully challenged incumbent Franklin Delano Roosevelt (D), who was seeking a third term. In 1952, Vice President Alben Barkley (D) suspended his campaign before the convention after concerns were raised over his age and health.

Incumbent vice presidents who ran for president
Year	Vice president	Outcome
1796	John Adams	Elected president
1800	Thomas Jefferson	Elected president
1836	Martin van Buren	Elected president
1860	John C. Breckinridge	Defeated in general election
1896	Adlai Stevenson I	Defeated at convention
1908	Charles Fairbanks	Defeated at convention
1940	John Nance Garner	Defeated at convention
1952	Alben Barkley	Withdrew before convention
1960	Richard Nixon	Defeated in general election
1968	Hubert Humphrey	Defeated in general election
1988	George H.W. Bush	Elected president
2000	Al Gore	Defeated in general election