What is a unique characteristic of Franklin Pierce?

There are plenty of things to know, but here are some of note:

- Franklin Pierce was the 14th President of the United States

- His decisions in his position earned him the reputation of the "Worst President of the United States"

- Franklin wasn't even renominated for President in the 1856 elections, due to the fact that his party abandoned him completely.

- He lived to be 64 years old

- President Ulysses S. Grant declared a national day of mourning over Franklin's death

- All three of his children died quite early in their childhood

- Franklin was heavily religious, as was his wife.

- Franklin's wife was often referred to as 'his opposite', in that her personality was quite different to his.