Claim: United Nations Security Council Resolution 437 was adopted by the UN Security Council, the principal organ of the United Nations (UN), on 10 October 1978.
Evidence: Principal organ The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN), charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, and approving any changes to the UN Charter. United Nations Security Council Resolution 437, adopted on October 10, 1978, after recalling Resolution 253 (1968) which prevented Member States from allowing those connected to the regime in Southern Rhodesia to enter their territory, the Council noted with regret the decision by the United States to allow Ian Smith and other members of the "illegal regime" to enter the country. Adopted