Territorial claims in Antarctica south of the Straits of Magellan (Terra Australis, and Tierra del Fuego and by extension the entire continent of Antarctica). This grant established, according to Argentina and Chile, that an "animus occupandi" existed on the part of Spain in Antarctica. Spain's sovereignty claim over parts of Antarctica was, according to Chile and Argentina, internationally recognized with the "Inter caetera" bull of 1493 and the Treaty of Tordesillas of 1494. Argentina and Chile treat these treaties as legal international treaties mediated by the Catholic Church that was at that time a recognized arbiter in such matters. Each country currently has claim
Brazilian Antarctica Brazilian Antarctica Brazilian Antarctica ( or "Antártica Brasileira") is the name of the Antarctic territory south of 60°S, and from 28°W to 53°W, proposed as "Zone of Interest" by geopolitical scholar Therezinha de Castro. While the substance of that designation has never been precisely defined, it does not formally contradict the Argentine and British claims geographically overlapping with that zone (the zone shares a border but does not overlap with the Chilean Antarctic Territory to its west). The country formally expressed its reservations with respect to its territorial rights in Antarctica when it acceded to the Antarctic Treaty on 16