You're not Australian are you? if you are odd thing to ask
Wars Australia have fought in,
You need to be precise but main importance of a war Australia was in was world war 2, japan Australia ring a bell,
Why not research it rather being lazy, well i will give you one for free, australia was in vietnam those who came back from the political joke were shuned for fighting a war that should have never began, most suffered but for what cost,
