none so far
No, it has not been in any wars yet. ;)
Ireland is a neutral country, so it has not been officially involved in any wars.
i think there has been a war or two
No she was not involved in any wars
It has not participated in any recent wars, or any ever.
The Napoleonic wars. These ended in 1815. Since then Switzerland has been neutral and not involved in any wars. There have been a few short civil wars in the 1800's.
There have not been any major wars in Zambia. However, there were a few times when violence escalated: During election time and politicians are campaigning. The struggle for independence from the British in 1964. The coup against the government in 1994.
Belize has never directly been involved in any wars. However, we sent troops to both the First and Second World War. {At the time of those wars, we were a British colony}
Yep, quite a few actually.http://en.wikipedia.org/wiki/Military_history_of_Mexico
The Finnish civil war of 1918 and the second world war.
Haiti was involved in the Haitian revolution
If you mean the northern states, they fought in the Civil War. Other than that one time, the US has always been united. Any wars which involved the north, involved the entire US. The US has, of course, fought in two world wars and many other wars.