Vijay Diwas 2020: 7 unknown facts about India's victory over Pakistan in 1971 War which will fill you with pride Vijay Diwas 2020: Here are some unknown facts that you need to know about India's victory over Pakistan in the 1971 War: Publish Date: Wed, 16 Dec 2020 11:03 AM IST New Delhi| Jagran Lifestyle Desk: One of the historic moments took place around 49 years ago when the 1971 war took place and Pakistan surrendered to India and it led to the formation of Bangladesh. The war took place on December 3, 1971, and it lasted for 13 days and came to end on December 16 with the surrender of the Pakistan Army. Bangladesh was liberated. Since then, the day is celebrated as Vijay Diwas in India and Bangladesh.