No, although around 1837 rebellions against the British occurred.
The American Revolution
Great Britain
From the Canadian colonies the war was worthwhile because Canada wanted to fight. They wanted to fight for their independence that British didn't allow them to have.
North Vietnam had to fight against the French and the Americans to gain its independence. The French and Americans were trying to stop the spread of communism to South Vietnam, but the war ended badly with the French and Americans suffering defeat.
Pakistan did not gain its independence through a war. http://en.wikipedia.org/wiki/Pakistan
They were upset that they did not gain independence
By war
to gain the land of Canada
Vietnam is the country (formerly part of French Indochina). But technically the communist North was independent in 1954 after defeating the French, and took another 20 years to extend their rule over the people in South Vietnam.
Gain independence for Cuba.
they were willing to go to war to gain independence
The Vietnam War