This was the name of the French Huguenot colony in the Rio de Janiero bay. At teh time, "antartic" was sinonymous to "austral".I'm a little concerned by my ally's grasp of geography:
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That's like the coast of Brazil; a little warmer than l'Antarctique . . .
And yes that little round thingy beside the Imperial Eagle indicates the Russians are having their revolution two centuries early . . .