Battle of Chausa was fought near Buxar. Humayun was badly defeated and Sher Khan adopted the title of Sher Shah. Humayun barely escaped with his life from the battle field.
Sufism or mysticism emerged in the 8th century. Some of the early known Sufis are as follows: Rabia al-Adawiya, Al-Junaid, and Bayazid Bastami. Sufism evolved into a well-developed movement by the end of the 11th century.