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
Defense industry of Iran industry was dramatically expanded, and with the Ministry of Defence pouring capital into the missile industry, Iran soon had an arsenal of missiles. Since 1992, it also has produced its own tanks, armored personnel carriers, missiles, a submarine, and a fighter plane. In 2007, following events in Iran's Nuclear Program, the United Nations Security Council placed sanctions on Iran forbidding it from exporting any form of weapons. Despite these sanctions, Iran sold some military equipment to countries such as Sudan, Syria, and North Korea. Iran was also unable to import military equipment such as S-300 from Russia and went on