Women's rights have been one of the most discussed subjects in both international law and national legal systems. Since the beginning of 20th century the women's movement created and strengthened the process of protection of women's rights, first through the League of Nations and then through the United Nations. Ratification of "the convention of elimination of all forms of discrimination against women" in 1979 has been the most important achievement of the activities of this movement. This article represents the historical evolution of the activities of women's movement through considering these activities and introducing and studying different instruments and bodies related to women's rights. In addition, the article considers the content of the convention in details and compares it with the rules and regulations of the Islamic Republic or Iran and ultimately reviews the position of the Islamic Republic of Iran toward this convention.