sons of al-hussein, ali the companions of al-hussein, and ali dezful , which has been known as husayniyah from the wall and since ancient times . we want to go to hosseinieh, usually the mourning ceremony is held in dezful in takaya mader on the fourth, fifth and later nights, especially on the seventh and eighth nights and tasua ashura, we can see that dezful, especially in the month of muharram and safar, was integrated into one hosseinieh and from all the surrounding areas. the city, except for the neighborhoods of the city, did not come from the outskirts of the city to dezful for mourning, the history of the mourning ceremony in dezful has an ancient and sweet history related to the 8th century ah with the arrival of mr. seyyed sultanali in black, known as mr. rodband dezful jason , who came to the region to preach shiism, settled in the north of dezful city, and in the same place to to guide and promote the rules of the beloved prophet of islam, during the time when they are in dezful, they always wear black clothes because they believed that they are freeing themselves from the mou