The Iranian Enlightenment (Persian: روشنگری ایرانی), sometimes called the first generation of intellectual movements in Iran (Persian: نسل اول جنبش های روشنفکری در ایران), brought new ideas into traditional Iranian society from the mid-nineteenth to the early twentieth century. During the rule of the Qajar dynasty, and especially after the defeat of Iran in its war with the Russian Empire, cultural exchanges led to the formation of new ideas among the educated class of Iran. This military defeat also encouraged the Qajar commanders to overcome Iran's backwardness. The establishment of Dar ul-Fonun, the first modern university in Iran and the arrival of foreign professors, caused the thoughts of European thinkers to enter Iran, followed by the first signs of enlightenment and intellectual m