1971 to 2021 â We fought together, now Bangladesh Army marches with us on Republic Day India and Bangladesh are celebrating 50 years of the 1971 Liberation War â one of the finest victories in modern military history. Text Size: A+ The sight of the Bangladesh Army contingent proudly marching down New Delhiâs Rajpath on 26 January is a rare event indeed. Scarcely can anyone believe that it has been 50 years of the liberation of Bangladesh from Pakistani rule. What an occasion to celebrate one of the finest military victories in modern history. Rarely has there been a military campaign like the India-Pakistan war of 1971 in the Eastern theatre.