Flag of Egypt use until Gamal Abdel Nasser announced the formation of the United Arab Republic in 1958. In 1958, Egypt and Syria united as the United Arab Republic (UAR) and adopted a national flag based on the Arab Liberation flag, with two green stars (representing the two countries of the union) replacing the Eagle of Saladin in the white band. A modified version of the Eagle of Saladin was adopted as the UAR's coat of arms. The flag is now used as the national flag of Syria. Though Syria withdrew from the U.A.R. in 1961, Egypt continued to use the official name
Member states of the United Nations two states merged to form the single member "United Republic of Tanganyika and Zanzibar", with its name changed to the United Republic of Tanzania on 1 November 1964. The Union of Soviet Socialist Republics (USSR) joined the UN as an original member on 24 October 1945, and as set out by the United Nations Charter, Chapter V, Article 23, became one of the five permanent members of the United Nations Security Council. Upon the imminent dissolution of the USSR, in a letter dated 24 December 1991, Boris Yeltsin, the President of the Russian Federation, informed the United Nations Secretary-General that