Year 16 AH:
It is said that the Battle of al-Qādisiyyah occurred at the very beginning of this year, with two hundred Muslims falling as martyrs; others put the number at one hundred and twenty.

Khalīfa (ibn Khayyāṭ) reports: In the same year al-Ahwāz was taken, but its people later reneged. Al-Walīd ibn Hishām related to me, from his father, from his grandfather: al-Mughīra ibn Shuʿba marched on al-Ahwāz, and the people of al-Bayrawān made peace with him for two million and eight hundred thousand dirhams. After him, al-Ashʿarī campaigned against them once more.

Al-Ṭabarī says: During this year the Muslims entered the city of Bahrāsīr and captured al-Madāʾin, from which Yazdegerd son of Shahryār fled.

When Saʿd ibn Abī Waqqāṣ encamped at Bahrāsīr—the very city in which Chosroes had resided—he looked for boats to ferry the army across to the farther bank, but none were available; the enemy had gathered up every vessel. He remained there several days until some local peasants showed him a ford, but he refused to use it. Finally he resolved that the army would storm the Tigris directly. The Muslims plunged in while the river was in flood, throwing up foam, and the Persians were confronted with a development they had never imagined. They fought for a short while, then broke and fled, abandoning the greater part of their wealth, and the Muslims took possession of