On the Iranian Solar Hijri calendar, this day is registered as the anniversary of the 1979 establishment of the Islamic Republic. Two months after victory of the Islamic Revolution in 1979, the new government held the Iranian Islamic Republic referendum on the 10th and 11th of Farvadin (30 and 31 March) proposing to change the Pahlavi dynasty into an Islamic Republic. On 12 Farvadin, the referendum results were announced, with 98.2 percent of the Iranians reportedly voting for an Islamic Republic.