North Korean support for Iran during the Iran–Iraq War many as 158 air strikes over a three-day period in March. It hit nearly 30 towns and cities, and struck as deep as Tehran. Iran responded to these strikes on March 12 and 14 by launching its first Scud B strikes against Iraqi cities, using what seem to have been Libyan supplied missiles, although they may have come from Syria and other deliveries came later from the PRC and/or North Korea. North Korean support for Iran during the Iran–Iraq War North Korea supported Iran during the Iran–Iraq War for oil and foreign exchange by selling both domestically produced arms to
Central Bank of Iran of the Asian Clearing Union, controls gold and capital flows overseas, represents Iran in the International Monetary Fund and internationally concludes payment agreements between Iran and other countries. The first attempt at introducing paper currency in Iran occurred during the Mongol Ilkhanate of the 13th century CE. The innovation, developed in Song Dynasty China, did not take hold in Iran, and paper currency did not return to Iran in any significant manner for several centuries. In 1889, the British-owned Imperial Bank of Persia ("Bānk-e Šāhī") was founded and it was given the exclusive right to issue bank notes in Iran.