Pakistan.
In 1971, Pakistan attacked Bangladesh (Former East Pakistan). Later India came to help the Bangladeshis to defeat the Pakistan and gain independence.
British and India
It was for independence from Pakistan.
Celebrating an independence day is a process of asserting and celebrating independence and national identity. Country should fought to gain Independence. Pakistan never did it.
1857
They were upset that they did not gain independence
By war
Gain independence for Cuba.
they were willing to go to war to gain independence
The Vietnam War
over war