Government of the Islamic Republic of Iran world. The Islamic Republic of Iran created shortly after the Islamic Revolution. The first major demonstrations with the intent to overthrow the Shah Mohammad Reza Pahlavi began in January 1978, with a new, Islam-based, theocratic Constitution being approved in December 1979, ending the monarchy. The Shah fled Iran in January 1979 after large strikes and demonstrations against him and his regime paralyzed the country. Ayatollah Khomeini would return in February of the same year after a long period of exile, greeted in the capital of Tehran by several million Iranians. The final collapse of the Pahlavi dynasty occurred shortly after
Greater Iran Mesopotamia is considered as the cradle of civilization and the place where the first empires in history were established. These empires, namely the Sumerian, Akkadian, Babylonian, and Assyrian, dominated the ancient middle east for millennia, which explains the great influence of the Mesopotamia on the Iranian culture and history, and it is also the reason why the later Iranian and Greek dynasties chose Mesopotamia to be the political centre of their rule. For a period of around 500 years, what is now Iraq formed the core of Iran, with the Iranian Parthian and Sasanian empire having their capital in what