census figures from the Iranian Statistics Institute. Breakdown of 2006 census: Language, religion, timeline Most Amoli people speak the Mazandarani language Tabari as a mother tongue; however, Persian is the most common language spoken in Iran and the lingua franca. Northern provinces of Iran in the Parthian or Sassanid period, probably, was Zoroastrian. There clearly are temples in the province. Mazandaran people converted to Islam around the second century AH. Amol as the first prime city center was a Twelver Shiite theocracy. At present, the majority of people are followers of Shia Islam. Amol, mazandaran has its own calendar months in addition to the official Tabari calendar of the moon, used in the era of Yazdgerd. Based on experiments and research Max Planck Society, The people of Mazandaran have long been the most original people living in Iran. Economy Amol is the center of dairy, Poultry and livestock products, Steel building and rice in Iran. Mineral water, meat, dairy, Wood, Metal machine products and ingots the main production industrial are in city. Agriculture and Tourism are the basis economy Amol economic base is in its provincial products. Agriculture has always been a major part of the economy in and around Amol. Amol is the economic center of Mazandaran province, with Agriculture and Tourism being the base of the Amol economy. Rice, grain, fruits, cotton, tea, sugarcane, and silk are produced in the lowland. Mineral water, meat, dairy, wood and ingots are the main manufacturing industry. 68% of exports of Mazandaran in Amol done. In the 18th century – 19th century, Amol iron and iron goods were traded all over Iran and as far abroad as Baghdad and Damascus and The society of linen, rice, handicrafts, honey, wood, mat and gold to trade house in Rome and the Gulf countries. Now export Food products, Citrus, Ornamental flowers, Cement and sand, Meat products, Industrial machinery, Rapeseed, Power cord, Electronic equipment and Mineral water is exported to several countries, including Afghanistan, Russia, Netherlands, Iraq, Pakistan, Turkmenistan, Turkey, Oman, Qatar, Angola, Oman, United Arab Emirates, Azerbaijan and Germany. Rice The Rice Research Institute of Iran, has been established in 1963 and through its 50 years of research activity, it has had significant impacts on the rice cultivation in the region. The Rice Research Center is located in Amol. At the ceremony opening of Haraz Road, Mohammad Reza Shah Pahlavi introduced Amol as the capital