Yā la-Thārāt al-Ḥusayn Yā la-Thārāt al-Ḥusayn (Arabic: یا لَثارات الحُسَین) is a slogan for the vengeance of Imam al-Husayn (a). The slogan was first used in the Tawwabun Uprising led by Sulayman b. Surad al-Khuza'i, and then in Mukhtar's Uprising led by al-Mukhtar al-Thaqafi. The slogan was used to indicate the onset of the uprising and to encourage the lovers of Ahl al-Bayt (a). In his battle with the Umayyads, Abu Muslim al-Khurasani used this slogan. According to some hadiths, this will …