Among the disciples that arrived in present-day Bishwanath is Syed Batauk, the ancestor of Abdul Karim Kauria.

[7] After the defeat of Raja Subid Narayan of Ita by Khwaja Usman in the early 17th century, many Hindus migrated elsewhere including the area now comprising Bishwanath.

Vijayaram Upadhayaya and his Kayastha student Bidhar Khan sailed with their family and friends through the Kapna river to this area (then a forest) for safety.

Dhar's son, Babu Ramjivan Rai, was given the title of Chowdhury and granted land in Baurbhag by Inayetullah Khan, the Mughal administrator of Sylhet, in 1692.

Ram Shankar's son, Bishwanath Rai Chaudhury, established the 'Bishwanath Bazaar' which gradually expanded.

Bishwanath Thana was upgraded to upazila (sub-district) in 1983 as part of the President of Bangladesh Hussain Muhammad Ershad's decentralisation programme.

Bishwanath had a literacy rate (age 7 and over) of 46.87%, compared to the national average of 51.8%, and a sex ratio of 1009 females per 1000 males.

[4] The largest Qawmi madrasa of Bishwanath, Jamia Islamia Abbasia, was opened by Abdul Karim Shaykh-e-Kauria in 1955.