Between Polk (#11) and Garfield (#20), only one served two full terms and that was Ulysses S. Grant (#18). Lincoln was elected to 2 terms, but he was assassinated after only 1 month of his second term.

None of the V.P.'s for Presidents 11-20 were ELECTED President. However, 3 became President because a President died in office.

Millard Fillmore became the 13th President when Zachary Taylor died.
Andrew Johnson became the 17th President when Abraham Lincoln died.
Chester Arthur became the 21st President when James Garfield died.

Polk was #11 and Pierce was #14.

Both died in office, but Garfield (#20) was assassinated and died after being President for only 6 months. Zachary Taylor (#12) was President for 1 year and 1 month before he died.

Zachary Taylor was the last Whig to be ELECTED President, but he died in office. His V.P., Millard Fillmore, was a Whig and he became the 13th President when Taylor died. Fillmore was the last President from the Whig party.

The wives of many presidents had died by the time they were president, but James Buchanan is the only president so far that never married in his life.

Rutherford Hayes

James Polk (#11)
James Buchanan (#15)
James Garfield (#20)