"As far as the judicial system is concerned, the changes were quite minor until the end of the nineteenth century.Major events marking the judicial history of Iran during the modern era include the Constitutional Revolution of 1906, which gave the country its first Constitution and Bill of Rights, the fall of the Qajars and the rise of the Pahlavi Dynasty in the 1920s, when accession to a modern judicial organisation became one of Iran's greatest challenges, and the Islamic Revolution.