


Longest recorded marriage
The longest recorded marriage lasted 91 years and 12 days.
First cousins
Einstein, Darwin, Allan Poe & Saddam Hussein, all married their first cousins.
In Vietnam
In Vietnam, marriage applicants must acquire a Certificate of Good Mental Health from a doctor before being allowed to marry.
Illegal
Adultery was Illegal in 18 U.S. States up until 2013.