Who were thePresidents and their opponents since 1940?

Since 1940, the U.S. Presidents and their major opponents in presidential elections have included: Franklin D. Roosevelt (defeated Thomas E. Dewey in 1944), Harry S. Truman (defeated Thomas E. Dewey in 1948), Dwight D. Eisenhower (defeated Adlai Stevenson in 1952 and 1956), John F. Kennedy (defeated Richard Nixon in 1960), Lyndon B. Johnson (defeated Barry Goldwater in 1964), Richard Nixon (defeated Hubert Humphrey in 1968 and George McGovern in 1972), Gerald Ford (defeated by Jimmy Carter in 1976), Ronald Reagan (defeated Jimmy Carter in 1980 and Walter Mondale in 1984), George H.W. Bush (defeated Michael Dukakis in 1988), Bill Clinton (defeated George H.W. Bush in 1992 and Bob Dole in 1996), George W. Bush (defeated Al Gore in 2000 and John Kerry in 2004), Barack Obama (defeated John McCain in 2008 and Mitt Romney in 2012), Donald Trump (defeated Hillary Clinton in 2016 and lost to Joe Biden in 2020), and Joe Biden, who defeated Donald Trump in 2020.