Bangladesh, May 16 -- Fifty-one years ago today, hundreds of thousands of people marched through the dust of Rajshahi toward the Farakka Barrage, led by the renowned peasant leader Maulana Abdul Hamid Khan Bhashani.

They were demanding a simple yet vital right: a fair share of river water.

Half a century later, that demand remains largely unmet, and the barrage has become a cautionary tale affecting both India and Bangladesh.

Bangladesh observed the 51st Farakka Long March Day on Saturday, commemorating the historic mobilisation of 16 May 1976.

Bhashani led the march from the Madrasa ground in Rajshahi toward the barrage, culminating in a massive rally at Kanasat High School grounds.

The day is now observed as a symbol of resistance...