حلف بغداد
Regional Cooperation for Development (RCD) or Organization for Regional Cooperation and Development (ORCD) was a multi-governmental organization which was originally established on the 21st of July 1964 by Iran, Pakistan and Turkey, regional members of the Central Treaty Organization (CENTO), to allow socio-economic development of the member states. Its headquarter was in Tehran, Iran. In 1979, this organization was dissolved. It was replaced by Economic Cooperation Organization (ECO) in 1985.