Psyringe: but does it really work as a justification when the British forced the Argentinians out of the islands earlier?
wodmarach: The thing is the UK never ceded it's claim so theoretically that (tiny) argentine settlement (in the 1830's) was technically an invasion...
Yep, but then we're really arguing on the basis of colonialist claims, which constitutes its own can of worms.
Anyway, I do agree that the UK's claim to the islands is stronger than Argentina's. But I also think that Argentina's claims are good enough to respect them as a valid opinion, even though I find the British claims more convincing.
Basically, the ownership of the islands has been disputed for as long as they exist, partly due to the fact that several nations wanted to grab them, but none could actually create a working settlement, yet no nation wanted to forego its claims. The islands' history is an odd loop of settlers coming, going, and leaving plaques stating that although they couldn't make the settlement work, their nation of course still claims the land as theirs. It would actually make good comedy material if that needless conflict hadn't cost so many lives.