Libya is a member of the UN, having joined on 14 December 1955, and is a member of ECA and all the nonregional specialized agencies. It joined the Arab League in 1953, the OAU (now the African Union) in 1963, and OPEC in 1962. In January 1968, it was a founding member of OAPEC, along with Sa'udi Arabia and Kuwait. Libya also belongs to the African Development Bank and G-77. In 1997 the Vatican established full diplomatic relations with Libya.