This is part of the MO all around the world. To 'prove' they are entitled to take your country for allah they re-write history to show how they were there before YOU were. If muslims were in America before Columbus 'discovered' it- the continent belongs to them.
Ditto Australia.
Governments don't mean a thing to them. Manmade laws are inferior to the laws of allah. I'm surprised to you had to ask.