Iranian forms of dating
As the Iranians dispersed into the wider area of Greater Iran and beyond, the boundaries of modern-day Iran were dominated by Median, Persian, and Parthian tribes.From the late 10th to the late seventh century BC, the Iranian peoples, together with the "pre-Iranian" kingdoms, fell under the domination of the Assyrian Empire, based in northern Mesopotamia.Iran's major contributions to art, philosophy, and science spread throughout the Muslim world and beyond during the Islamic Golden Age.Over the next two centuries, a series of native Muslim dynasties emerged before the Seljuq Turks and the Ilkhanate Mongols conquered the region.In 334 BC, Alexander the Great invaded the Achaemenid Empire, defeating the last Achaemenid emperor, Darius III, at the Battle of Issus.Following the premature death of Alexander, Iran came under the control of the Hellenistic Seleucid Empire.The unification of the Median tribes under king Deioces in 728 BC led to the foundation of the Median Empire which, by 612 BC, controlled almost the entire territory of present-day Iran and eastern Anatolia.In 550 BC, Cyrus the Great, the son of Mandane and Cambyses I, took over the Median Empire, and founded the Achaemenid Empire by unifying other city-states.
Iran's political system has elements of a presidential democracy with a theocracy governed by an autocratic "Supreme Leader".to the north by the Caspian Sea, to the northeast by Turkmenistan, to the east by Afghanistan and Pakistan, to the south by the Persian Gulf and the Gulf of Oman, and to the west by Turkey and Iraq.Its central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, give it geostrategic importance.In 1935, Reza Shah requested the international community to refer to the country by its native name, Iran, effective March 22 that year. Similarly, Glasgow-based Collins English Dictionary provides both English English and American English pronunciations.
The pronunciation guide from Voice of America also provides During the Bronze Age, the territory of present-day Iran was home to several civilizations, including Elam, Jiroft, and Zayanderud.
and its large reserves of fossil fuels - including the world's largest natural gas supply and the fourth largest proven oil reserves - exert considerable influence in international energy security and the world economy.