Seyyed Mohammad Hossein Behjat Tabrizi mainly known by his pen name, Shahriar, was a notable Iranian poet, who wrote in Azerbaijani and Persian. His most important work Heydar Babaya Salam is considered to be the pinnacle in Azerbaijani literature which gained great popularity in the Turkic world and was translated to more than 30 languages. His day of death is named the “national day of poem” in Iran.