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
Timeline of United States inventions (1890–1945) Timeline of United States inventions (1890–1945) A timeline of United States inventions (1890–1945) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States. Copyright protection secures a person's right to his or her first-to-invent claim of the "original" invention in question, highlighted in Article I, Section 8, Clause 8 of the United States Constitution which gives the following enumerated power to the United States Congress: In 1641,