The Iranian or Islamic Revolution began in 1979.

The Iranian revolution was about the commoners being freed from the Shah.

1979

The Iranian Revolution (also called the Islamic Revolution) was the direct result of the Iranian people's opposition to the Shah and the Shah's unwillingness to accede to some demands.

The Ianian Revolution, also know as the Islamic Revolution was between 1905 and 1911. It had to do with replacing an ancient monarchy with a theocracy. So it became the Iranian Republic.