Iran did not have one consistent government after 1900.
From 1900-1925 were the final days of the Qajjar Dynasty, which was a medieval-style Persian dynasty. The official name of the country was "The Sublime State of Persia".
From 1925-1979 were the days of the Pahlavi Dynasty which was modern totalitarian Persian dynasty with a weak Parliament. The official name of the country was "The Imperial State of Iran".
From 1979-Present are the days of the Islamic Republic of Iran which is a cleric-run theocracy with a weak Parliament and President.
Iran had a monarchy government before the 1900's.
Iran had a monarchy before 1900. Qajar monarchy.
Monarchy
Islamic Republic of Iran
Islamic Republic
Irans last government was an Islamic republic.
The unique thing is that the Iranian regime in Iran is a democracy based on Islamic law.
bicameral legislature.
A monarchy
monarchy
it was an empire led by Kaiser Wilhelm and a chancelor
Iran has a history of more than 2500 years of kingdom and from 1979 after Islamic revolution, it changed to Islamic Republic.
Shiates rule the government of Iran.