Brahmanbaria was a part of Samatata Janapada of the ancient Bengal. The first and temporary capital of Isa Khan was at Sarail, located at 10 km north of Brahmanbaria Town. During the Mughal era, Brahmanbaria was famous for producing quality cloth Muslin.Brahmanbaria was made one of the 3 Sub-divisions of Comilla District by the British rulers in 1860. It became part of East Pakistan in 1947 which
eventually became independent Bangladesh in 1971.During the 19th century, Brahmanbaria produced great nationalist leaders like Nawab Syed Shamsul Huda, who became president of All India Muslim League in 1921, and Barrister Abdur Rasul a front ranking leader of Indian National Congress. When the swadeshi movement began in the wake of the partition of Bengal (1905), Brahmanbaria born revolutionary Ullaskar Datta (Aviram) was convicted for throwing bomb and was deported to the Andamans. On 14 December 1931 Suniti Chowdhury, Shanti Ghosh and Gopal Deb killed the then District magistrate CCB Stevens at his residence by gunshot. During the peasant movement in 1930, Congress leader Abdul Hakim asked the peasants to stop payment of taxes. During the no-rent movement, four civilians were killed when the British soldiers indiscriminately fired on civilians.Upon encouragement of Oli Ahad, a pioneer Language Movement leader who hailed from Brahmanbaria, the movement obtained momentum in this district in 1952. Bir Sreshtho Mostafa Kamal obtained martyrdom in an encounter at Daruin of Akhaura during the War of Independence in 1971. Predominant occupation of the district is agriculture, though the number of industrial workers, service sector personnel and commercial officials are on the rise.Gender wise, 49.49% people of the district are male while 50.51% inhabitants are female.Religious composition of the district is : Muslim - 90.73%, Hindu - 9.07%, Buddhist - 0.05%, Christian - 0.04% and Others - 0.11%
The district of Brahmanbaria consists 3986 mosques, 262 temples and 43 churches.
