history of the flags of #Iran (official name was adopted in early 1900s by Reza Pahlavi, the first king of Pahlavi dynasty).
The official flag of IRI was adapted in 1980s and modified later to include "aallaho Akbar" on the top and bottom of the White section in the middle. The emblem is made out of multiple half moon and a a sword making it the world Allah, many people in Iran refer to it as Kharchange (the crab).
