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
Research stations in Antarctica station in 1956. In that same year, the United States built McMurdo Station and Amundsen–Scott South Pole Station, and the Soviet Union built Mirny Station. The United States maintains the southernmost Base and the largest base and research station in Antarctica, Amundsen–Scott South Pole Station. The second-southernmost base is the Chinese Kunlun Station at 80°25′02″S during the summer season, and the Russian Vostok Station at 78°27′50″S during the winter season. This map shows permanent research stations only. Research stations in Antarctica A number of governments have set up permanent research stations in Antarctica and these bases are widely distributed. Unlike