 Complete the following phrase:  Between 1872 and 1905, a series of protests took place in response to the sale of concessions to foreigners by Qajar monarchs Naser-ed-Din and Mozaffar-ed-Din, and led to the Constitutional Revolution in 1905. The first Iranian constitution and the first national parliament of Iran were founded in 1906, through the ongoing revolution. The Constitution included the official recognition of Irans three religious minorities, namely Christians, Jews, and Zoroastrians, which has remained a basis in the legislation of Iran since then. The struggle related to the constitutional movement was followed by the Triumph of Tehran in 1909, when Mohammad Ali Shah was defeated and forced to abdicate. On the pretext of restoring order, the Russians occupied northern Iran in 1911 and maintained a military presence in the region for years to come. But this did not put an end to the civil uprisings and was soon followed by Mirza Kuchik Khans 