Member states of the United Nations the membership of the USSR in the Security Council and all other UN organs was being continued by the Russian Federation with the support of the 11 member countries of the Commonwealth of Independent States. The other fourteen independent states established from the former Soviet Republics were all admitted to the UN: Both Egypt and Syria joined the UN as original members on 24 October 1945. Following a plebiscite on 21 February 1958, the United Arab Republic was established by a union of Egypt and Syria and continued as a single member. On 13 October 1961, Syria, having resumed its
Serbia and the United Nations Serbia and the United Nations The Republic of Serbia joined the United Nations on November 1, 2000 as the Federal Republic of Yugoslavia. Originally the previous Yugoslav state was one of the original 51 member states of the United Nations. The Federal Republic of Yugoslavia was established on 28 April 1992 by the remaining Yugoslav republics of Montenegro and Serbia, claimed itself as the legal successor state of the former Socialist Federal Republic of Yugoslavia; however, on 30 May 1992, United Nations Security Council Resolution 757 was adopted, by which it imposed international sanctions on the Federal Republic of Yugoslavia