Battle of the Trench enemy in the open (which led to victory at Badr), and waiting for them inside the city (a lesson learnt from the defeat at Uhud) were both suggested. Ultimately, the outnumbered Muslims opted to engage in a defensive battle by digging deep trenches to act as a barrier along the northern front. The tactic of a defensive trench was introduced by Salman the Persian. Every capable Muslim in Medina including Muhammad contributed to digging the massive trench in six days. The ditch was dug on the northern side only, as the rest of Medina was surrounded by rocky mountains and
Battle of Karbala 14th Rabi' al-awwal of 65 AH, Mukhtar's followers began the revolt by shouting "Ya Mansur-o Amet" (O victorious, make [them] die!), a slogan originally used by Muslims in battle of Badr, and "Ya Lisarat al-Husayn" (O Those Who Want to Avenge the Blood of Husayn). Forces allied with Mukhtar entered Kufah. Iranian forces called "Jond-o-l Hamra'a" (Red Army) were the core of Mukhtar's forces. Finally, Mukhtar captured Ibn Ziyad's palace and announced the victory of his uprising on the following day, when he led prayers in a mosque, as well as holding a lecture regarding the goals of his uprising.