As her husband, Franklin D. Roosevelt served for the longest duration as President, Eleanor Roosevelt became the longest sitting First Lady of America. Her role as First Lady was very active, as she would travel all around the world to promote the President's ideas and to visit soldiers. Eleanor married FDR in 1905 at the age of 21. The two were actually fifth cousins once removed. Eleanor Roosevelt helped tremendously during her husband's presidency. When the United Nations was being formed, she was right there to help form the body. Eleanor Roosevelt's world travels made her very popular as she fought for human rights everywhere.