Agailjhara Upazila: History
Agailjhara was formerly part of Gournadi Upazila. In the 16th century, the Faujdar of Bakla Sabi Khan settled in the village of Gaila with members of the Mughal Army. The village of Seral was settled by Firoz Khan, a descendant of Sher Shah Suri, who lost to the Mughals. In 1921, a historic farmers convention was held in Agailjhara High English School presided by Khan Bahadur Hasem Ali Khan and advised by A. K. Fazlul Huq. During the Bangladesh Liberation War of 1971, 8 people were murdered in the village of Kodaldhoa. A thana (police station headquarters) was formed in Agailjhara on 16 June 1981. The status of Agailjhara Thana was upgraded to upazila (sub-district) on 7 November 1983 as part of the President of Bangladesh Hussain Muhammad Ershad's decentralisation programme.