Islam is defined as the religion of the state. Major efforts are put into winning Sunni population over to the new creed. Iran strong in politics and in cultural achievements. Afghan occupation of central parts of Iran. The two countries divide Iran.
Enormous loot is brought back to Iran.
Southern Iran sees prosperity, under the Zand dynasty. Qajar dynasty established. This lasts until 1925. Leader of the Shi'i Isma'ili group, Aga Khan, escapes to India after a failed rebellion against the Shah. The tobacco boycott, which opposed British monopoly on all trade with tobacco in Persia.