ShivamJacqueline Kennedy & John F. Kennedy 
Almost everyone in the nation at that time knew that President John F. Kennedy and wife Jackie Kennedy were in an open relationship. There were rumors that Kennedy who died on November 22, 1963, was having an affair with Marilyn Monroe. The claims of Jackie being totally aware of his husband’s activities only points to one conclusion that the two were totally open. Some sources even say that the couple had filed for divorce just before Kennedy was shot and killed.