Although Bangladesh has existed as an independent country only since the late 20th century, its national character within a broader South Asian context dates to the ancient past. The country’s history, then, is intertwined with that of India, Pakistan, and other countries of the area. The land of Bangladesh, mainly a delta formed by the Padma (Ganges [Ganga]) and the Jamuna (Brahmaputra) rivers in the northeastern portion of the Indian subcontinent, is protected by forests to the west and a myriad of watercourses in the centre.
As such, it was long the inaccessible frontier beyond the north Indian plain and therefore was home to a distinctive regional culture. In early times a number of independent principalities flourished in the region—called Bengal—including Gangaridai, Vanga, Gauda, Pundra, and Samatata, among others. In the 14th century Shamsuddin Ilyas Shah was instrumental in unifying many of these principalities. The Mughals added more territories, including Bihar and Orissa (now states of India), to constitute Suba Bangalah, which the British colonial administration later called the Bengal Presidency. In 1947, when British colonial rule ended, a downsized province of Bengal was partitioned into East Bengal and West Bengal. East Bengal was renamed East Pakistan in 1955, and in 1971 it became B
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