Take a look at these amazing photos of Iran before the revolution
Under the Shah's rule, Iran's economy and educational opportunities expanded. Britain and the US counted Iran as their major ally in the Middle East, and the Shah forcefully industrialized large segments of the country. However, the Shah's own increasingly authoritarian measures and his eventual dismissal of multi-party rule set the stage for the infamous revolution.
Still, for a period of close to 40 years, the Shah led Iran through a series of sweeping changes.