Constitutional revolution origin of contemporary history of Iran

In the last hundred years, there have been many discuss over determining the origin of Iran's contemporary history, and it has turned this issue into a controversial issue. As events such as the establishment of the Safavid government, wars between Iran and Russia, the kingdom of Naser al-Din Shah, the Russian Revolution, the coup d'état of 1921, etc., have been mentioned as the origins of Iran's contemporary history. Therefore, the main issue is that When does the contemporary history of Iran begin? Which historical event in Iran is so worthy and important that it can be considered as the origin of contemporary Iranian history? The author discusses the most important ideas about the origin of Iran's contemporary history with a descriptive-explanatory method and with a critical approach. The author considers modernity to be the main cause of the emergence of the new world and the basis of the formation of contemporary history, and she believes that modernity is the inevitable destiny of all the nations of the world In Iran, the confrontation with modernity started with the Iran-Russia wars. But the broadest level of modern changes and reforms in Iranian society was achieved only with the help of constitutionalism. The constitution was the only event that could transform all fields of political, social, intellectual, religious, and economic life in Iran and create a modern Iranian man and a new Iranian civilization. Therefore, constitutionalism is the origin of Iran's contemporary history.