Iran’s transformation from a modernizing monarchy into the world’s first modern theocratic state was not a single event but a decades-long process of revolutionary consolidation, institutional purging, and doctrinal enforcement. What follows is a chronological account of how the Islamic Republic dismantled one order and built another in its place. 1963 — The White Revolution and the Seeds of Clerical Opposition Shah Mohammad Reza Pahlavi launches a state-led modernization program — land reform, women’s suffrage, literacy campaigns — that directly threatens the economic and social power of the clerical establishment.