Argentine Antarctica observatory, where he also worked a post office was installed. Civil (employee of the Argentine company official post and telegraph) Hugo Alberto Acuna accounted hoist for the first time in an official way the flag of Argentina on the Argentine Antarctic sector, on 22 February 1904. Such an observatory became the Orcadas Base the oldest existing today across the Antarctic territory permanent human settlement. The Argentine corvette ARA Uruguay returned to Antarctica in 1905 (sailed from the port of Buenos Aires on 10 December 1904) to relieve staffing of the South Orkney and refer to Deception Island and Wiencke Island
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