Rey, Iran capital Tehran brought more people to visit the shrine and a major restoration was sponsored by the court. Thus Ray was the first place in Iran to be connected to the capital by a railroad in 1888. Rey, Iran Rey or Ray (; , Šahr-e Rey, “City of Ray”), also known as Rhages (; , or Europos (Ευρωπός) "Rhagai"; or "Rhaganae") and formerly as Arsacia, is the capital of Rey County in Tehran Province of Iran, and the oldest existing city in the province. Ray today has been absorbed into the Greater Tehran metropolitan area. Ray is connected via the
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.