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History of Khulna

Historical evolution of the third-largest city in Bangladesh

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Through Ganges, Brahmaputra River and Pakistan

The area's recorded history begins with its incorporation into the ancient kingdoms of Vanga and Samatata, and later the Sena kingdom's southern deltaic province of Bāgri in the eleventh and twelfth centuries. The mid-fifteenth century brought a decisive transformation with the arrival of Khan Jahan Ali, a Sufi missionary and administrator under the Bengal Sultanate, who led the first large-scale reclamation of the Sundarbans and established the mosque-city of Bagerhat — today a UNESCO World Heritage Site. Toward the end of the sixteenth century, the chieftain Pratapaditya, one of the Baro-Bhuiyans, established an independent kingdom in the southern delta and permitted the construction of the first Christian church on the territory of present-day Bangladesh at Chandecan (present-day Jessore). His kingdom was eventually defeated by the Mughal general Man Singh I in 1611. During the seventeenth and eighteenth centuries, the southern delta was severely depopulated by raids from Arakanese and Portuguese pirates.

British administrative control was established from 1781, and Khulna District was formally constituted on 1 June 1882. The completion of the Eastern Bengal State Railway transformed Khulna into a major regional trade hub, while the Indigo Revolt of 1859–1860 marked a formative episode of agrarian resistance in the district. During the Pakistan period (1947–1971), Khulna emerged as a major industrial centre, home to some of the largest jute mills in Asia and the Chalna (Mongla) Port.

The Bangladesh Liberation War of 1971 brought intense fighting to the district, culminating in the Battle of Shiromoni and a formal Pakistani surrender on 17 December 1971. The district suffered one of the highest civilian death tolls of the war, including the Chuknagar massacre of 20 May 1971 — one of the deadliest single incidents of the conflict. Following independence, Khulna developed as the third-largest city in Bangladesh, an industrial and port centre whose economy has increasingly shifted toward shrimp cultivation. In 2024, the city was a significant site of the Quota Reform Movement that culminated in the resignation of Prime Minister Sheikh Hasina and the formation of an interim government led by Muhammad Yunus.

Deltaic origins and geography

The origins of the name Khulna are disputed, with no single account supported by documentary evidence. According to popular legend, the town is named after 'Khullanā', a heroine from medieval Bengali literature and mythology who was the second wife of the merchant Dhanapati Saudagar. Tradition states that Khullanā dedicated a shrine or temple to the goddess Khullaneswari (a form of the goddess Chandi or Kali) on the banks of the Bhairab River, approximately one mile east of the present town's center. Historical narratives suggest that the area was once a dense forest known as Noyabad (newly reclaimed land), and the name Khulna eventually superseded this designation as the settlement grew.

The physical origins of Khulna are entirely deltaic, as the district forms a central portion of the vast southern delta between the Hooghly and Meghna estuaries. The region was formed by the continuous action of the Ganges and Brahmaputra river systems, which carried down immense volumes of fine mud, silt, lime, and limestone from the Himalayas over millennia, delivering approximately one billion tons of sediment annually to the basin. This process of land building occurs when silt-laden river water reaches the sea; the velocity of the current is checked by the sea's resistance, causing the heavier silt to drop and form bars at the river mouths. These bars eventually grow into islands, building up land in the shape of the Greek letter delta, from which the phenomenon takes its name. This constant influx has resulted in a delta progradation rate of roughly 17 km² per year over the last five decades.

Khulna's geological history is distinguished in part by the phenomena of earth subsidence. The remains of old sundri forest stumps found deep beneath the present surface, sometimes at depths of 18 to 30 feet (5.5 to 9.1 m), provide definitive evidence of this subsiding. These trees, which can only grow above the mean tide level, show that the land surface has sunk from time to time, which has let new layers of silt be laid on top of old forest floors. Ancient brick foundations, human skeletons, and coins discovered at these depths during excavations in Khulna and adjacent regions show that settlements existed in places presently covered by marshes or woods. Antiquarians suggest that a once-populous civilization in the Sundarbans was forced to abandon its lands as they sank below the water level, explaining the presence of ancient ruins and palatial remains deep within the mangrove swamps.

Further proof of this uneven land fall is the bil system, characterised by broad, water-logged depressions. Often produced when the silt-laden rivers constructed their own banks higher than the adjacent interior country, these bils left low-lying pockets that catch water. While some bils are the result of natural deltaic action, the great northern chain of bils is attributed to the same geological subsidence that affected the Sundarbans. About 15 miles (24 km) from the coast, where the sea floor plunges sharply from 20 to over 200 fathom, is another major geographical feature in the Bay of Bengal, the Swatch of No Ground, a huge submarine canyon. This canyon serves as a critical sediment sink, trapping approximately one-third of the annual sediment load delivered by the Ganges and Brahmaputra rivers. Geologists believe this dip marks the original bed of the Bay of Bengal, where silt buildup was inhibited as the primary course of the Ganges changed to the eastern side of the delta, so altering the concentration of deposits.

The river system acts as the "veins and arteries" of Khulna, dictating its historical settlement patterns and economic life. During the 16th century, the main volume of the Ganges shifted from the Bhagirathi eastward to the Padma, which caused the Bhairab and other western effluents to shrink and silt up, fundamentally altering the river network of the southwestern delta. The eastern border of Khulna, the Madhumati River meaning "honey-bearing," is today the biggest river in the district and serves as the main distributary of the Ganges, having assumed its modern prominence in the early 19th century after the Brahmaputra changed its course, forcing more water into the Gorai and Madhumati channels.

Major rivers

The river system forms the "veins and arteries" of Khulna, dictating its historical settlement patterns and economic life. Three rivers have been particularly significant in shaping the district's deltaic landscape and human geography.

The Bhairab River, whose name derives from the Sanskrit word for "the terrible," was once a mighty distributary of the Ganges and the primary force behind the formation of the district's deltaic tract. Since the eighteenth century, however, its headwaters have progressively silted up, reducing it to a "dead river" across several of its reaches and diminishing its former role as a commercial artery.

The Rupsha River did not exist as a major watercourse in the historical record but originated as a small canal. Local tradition and administrative records attribute its creation to an individual named Rup Shaba, who cut a channel connecting the Bhairab to the Kajibacha; this channel subsequently expanded, through the natural action of tidal and fluvial forces, into the substantial river it is today.

The Kobadak River, known poetically in Bengali as Kapot-aksha — meaning "dove's eye" — was once a vigorous effluent of the Ganges and a major trade route through the southwestern delta. Having lost its direct connection to the main Ganges flow, it now carries only surface drainage; yet its characteristically high banks remain as physical evidence of its former vigor and commercial importance.

The geographical stability of Khulna is currently threatened by saline inundation as the sweet water of the Ganges continues to migrate eastward. The western and central rivers have become conduits for salt water from the Bay of Bengal, which can lead to local crop destruction and scarcity. The construction of embankments to protect crops has created a "vicious circle," where restricted silt causes riverbeds to rise, forcing salt water higher and further into the interior.

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