 In 652, the Chaghan Khudah, along with the rulers of Talaqan, Guzgan, and Faryab, aided the ruler of southern Tokharistan against the Arabs.Nevertheless, the Arabs managed to emerge victorious.However, the Rashidun Caliphate soon fell into civil war, and was conquered by another Arab family, who founded the Umayyad Caliphate in 661.