December 16 is a significant day for India and its neighbours Bangladesh and Pakistan. In 1971, India won the war against Pakistan that resulted in the birth of Bangladesh (then East Pakistan).
On this day 47 years ago, Pakistan lost half its country, its forces in the East, and had to publicly surrender to India. It was also the largest military surrender after World War II.
The war started when Pakistan launched air strikes on 11 Indian airbases. It was perhaps the first time in which India's all three forces fought in unison.
India quickly responded to Pakistan Army's movements