 Since the Islamic Revolution of 1979 Iranian Baháʼís have regularly had their homes ransacked or have been banned from attending university or from holding government jobs, and several hundred have received prison sentences for their religious beliefs, most recently for participating in study circles.Baháʼí cemeteries have been desecrated and property has been seized and occasionally demolished, including the House of Mírzá Buzurg, Baháʼu'lláh's father.The House of the Báb in Shiraz, one of three sites to which Baháʼís perform pilgrimage, has been destroyed twice.