Theocracy of Iran

How did iran go from being a monarchy up until the mid seventies, late seventies, and then became a theocracy? Sharazakake shatata iranka, seventies. Ti wot ot stories on lobod kamalgi storia, vuna, babalagata, wo westernization. Gecakrme, bavalagatapura, usca, sinogata, retatopne, norteran, mepni, mhelme, tige,. Sex parties, horine, drugs, hore, alcohol, taresne, iranco proper i western shapme daltheathe ha abe