Historical Memory Journey
Encyclopaedia Britannica
Britannica biographical summary used for date framing and wider South Asian campaign context, including the conquest of Nadia.
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c. 1178-1204
The late Sena phase under Lakshmanasena (c. 1178-c. 1205) represents the final major pre-1204 court-centered order in Bengal, ending with his expulsion from Nadia by Bakhtiyar Khalji.
1204-1205
Ikhtiyar al-Din Muhammad Bakhtiyar Khalji's capture of Nadia, associated with 1204-1205, marked a major turning point in Bengal's political history. The fall of the Sena capital center and subsequent movement toward Lakhnauti/Gaur shifted the region's ruling structure and opened a new phase of Turkic-led state formation in Bengal.