United States Ambassador to the United Nations Human Rights Council stationed in New York), the United States Ambassador to the World Trade Organization, and the United States Ambassador to the Conference on Disarmament. The United Nations Commission on Human Rights was formed in April 1946 on a preliminary basis and then in January 1947 on a permanent basis. Former First Lady of the United States Eleanor Roosevelt was chosen as its first chair on both occasions. She played a major role in the formation and 1948 adoption of the Universal Declaration of Human Rights. She also served as the U.S. representative to the commission. In 1951 she relinquished the chair
First Lady of the United States bachelor or widower, or when the wife of the president was unable to fulfill the duties of the First Lady herself. In these cases, the position has been filled by a female relative or friend of the president, such as Jefferson's daughter Martha Jefferson Randolph, Jackson's daughter-in-law Sarah Yorke Jackson and his wife's niece Emily Donelson, Taylor's daughter Mary Elizabeth Bliss, Benjamin Harrison's daughter Mary Harrison McKee, Buchanan's niece Harriet Lane, and Cleveland's sister Rose Cleveland. The position of the First Lady is not an elected one and carries only ceremonial duties. Nonetheless, first ladies have held a highly visible