Battle of Badr the Umayyad Caliphate. In later days, the battle of Badr became so significant that Ibn Ishaq included a complete name-by-name roster of the Muslim army in his biography of Muhammad. In many hadiths, veterans who fought at Badr are identified as such as a formality, and they may have even received a stipend in later years. The death of the last of the Badr veterans occurred during the First Islamic civil war. As Paul K. Davis sums up, "Mohammed's victory confirmed his authority as leader of Islam; by impressing local tribes that joined him, the expansion of Islam began." The
Battle of al-Qādisiyyah and led a group of Mubarizuns, from his Syrian contingent who were also the veterans of Battle of Yarmouk, through the Sassanids' right center towards Rostam's headquarter. Rostam again personally led a counterattack against the Muslims, but no breakthrough could be achieved. At dusk, the two armies pulled back to their camps. On 18 November, Rostam wanted a quick victory, before more Muslim reinforcements could arrive. The Elephant corps was once again in the front of the Sassanid army, giving him the advantage. Pressing this advantage, Rostam ordered a general attack along the Muslim front, using his full force. All