1932: New York Gov. Franklin D. Roosevelt poses with his wife, Eleanor, and son Elliott after they cast their ballots in Hyde Park, N.Y. Roosevelt was elected in a landslide over President Herbert Hoover. (AP Photo)

1936: Republican nominee Alf Landon votes in Independence, Kansas. The Kansas governor carried only two states as FDR won re-election. (AP Photo)

1944: Sen. Harry S. Truman, the Democratic vice presidential nominee, drops his ballot in the box in Independence, Mo., as his wife, Bess, looks on. Five months later, FDR was dead and Truman was president. (AP Photo)

1952: Dwight D. Eisenhower prepares to vote in New York City with his wife, Mamie. The Republican won the first of two straight elections over Democrat Adlai Stevenson. (AP Photo)

1960: Democrat John F. Kennedy casts his ballot in Boston. The Massachusetts senator defeated the incumbent vice president Richard Nixon in a close race. (AP Photo)

1976: Jimmy Carter emerges from the voting booth in his hometown of Plains, Ga. The Georgia governor unseated President Gerald R. Ford. (AP Photo)

1980: George H.W. Bush and his wife, Barbara, vote in Houston. Bush was elected vice president on the Republican ticket headed by Ronald Reagan. (AP Photo)

1980: Vice President Walter Mondale and his wife, Jean, leave the Town Hall in Alton, Minn., after casting their ballots. The Carter-Mondale ticket went down to defeat. Mondale would lose again to Ronald Reagan in 1984 as the Democratic standard-bearer. (AP Photo/Jim Mone)

1980: Ronald Reagan and his wife, Nancy, prepare to cast their ballots in Los Angeles.

1992: Twelve-year-old Chelsea Clinton, left, joins her father in the voting booth in Little Rock, Ark. Democrat Bill Clinton was on his way to winning the first of two terms. (AP Photo/Stephan Savoia)

1992: Independent candidate Ross Perot votes in Dallas. Perot took nearly 20 percent of the vote, but didn't win a state in his third-party bid. (AP Photo/Pat Sullivan)

1996: First lady Hillary Rodham Clinton and President Bill Clinton vote in Little Rock, Ark. (AP Photo/Greg Gibson)

1996: Republican nominee Bob Dole and his wife, Elizabeth, exit the voting booth in Russell, Kan. Dole had been the GOP vice presidential nominee in a losing effort 20 years earlier. (AP Photo/Stephan Savoia)

2000: Vice President Al Gore casts his ballot in Elmwood, Tenn. Gore won the popular vote but lost in the Electoral College to Republican George W. Bush. (AP Photo/J. Scott Applewhite)

2004: President George W. Bush and first lady Laura Bush wave to well-wishers before voting at the fire department in Crawford, Texas. With them are daughters Barbara and Jenna. Bush would win a second term. (AP Photo/Pablo Monsivais)

2004: Democratic nominee John Kerry and his daughter, Vanessa, vote at the Statehouse in Boston. (AP Photo/Gerald Herbert)

2008: Republican vice presidential nominee Sarah Palin emerges from the voting booth in Wasilla, Alaska. (AP Photo/Ted S. Warren)

2008: Republican nominee John McCain casts his vote in Phoenix as his wife, Cindy, waits in line. (AP Photo/Stephan Savoia)

2008: Democratic presidential nominee Barack Obama talks with his wife, Michelle, as they vote in Chicago. (AP Photo/Jae C. Hong)