From days to decades, age gaps between couples are pretty common. Of all the 45 men who served as President of the United States, there have been a few with considerably large age gaps between them and their wives, but the opposite is also true. While in the vast majority of cases, the president is older than the first lady, this is not always the case.
Curious to find out which couple had just a few days difference, and which have a few decades between them? Click on.