In 1815, Guillermo Brown, an Irish Marine Commodore serving in the United Provinces of Río de la Plataball, launched a campaign to harass the Spanish fleet in the Pacific Ocean. When rounding Cape Horn aboard the Hercules and Trinidad, strong winds pushed them to parallel 65 S. Some Argentine sources say that Brown had sighted Antarctic land on the expedition, saying that it is the reason why Argentine cartography often calls the northernmost part of the Antarctic Peninsula Tierra de la Trinidad.
On 10 June 1829 the government of the province of Buenos Aires issued a decree creating the Political-Military Command of the Malvinas Islands (see Louis Vernet) including the islands adjacent to Cape Horn, which plays in Argentina and that included the Antarctic islands.
On 10 October 1900, the Argentine government decided to join the International Antarctic Expedition. This Argentine government received support, and in exchange, offered the services of the Argentine Navy to deliver scientific data and zoological collections. On the way through Buenos Aires, Lieutenant Jose Maria Sobral boarded the ship Antarctic on 21 December 1901. As no news of the expedition reached the Argentine government, it then fulfilled its commitment to support the expedition by renovating the corvette ARA Uruguay, which then set out on search on 8 October 1903, under the command of Lieutenant Julián Irizar, finding and rescuing members of the expedition who had been sheltering following the collapse of the Antarctic.
The expedition built a hut on Snow Hill Island in 1902. The Argentine Navy took possession of the hut in 1954 and named it Refugio Suecia. Currently, it is an Argentine historical monument and historical site as appointed by the Antarctic Treaty. The 1902 expedition built another hut in Hope Bay, which is also an Antarctic monument under the control of Esperanza Station, it is yet to be a real nation.
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|Claimings on it||British Antarctic Territory ( UKball) • Ross Dependencyball ( New Zealandball) • Adélie Land ( Franceball) • Peter I Island ( Norwayball) • Australian Antarctic Territory ( Australiaball) • Queen Maud Land ( Norwayball) • Chilean Antarctic Territory ( Chileball) • Argentine Antarctica ( Argentinaball)|
|Possible Future Claimings||USA Antarctic Territoryball ( USAball) • Russian Antarctic Territoryball ( Russiaball) • Brazilian Antarctic Territoryball ( Brazilball) • Uruguayan Antartctic Territoryball ( Uruguayball)|
|Former Claimings||New Swabia ( Nazi Germanyball) • Yamato Yukiharaball ( Empire of Japanball) • Spanish Antarctic Territoryball ( Spanish Empireball)|
|Micronations||Federation of Atlantisball • Flandrensisball • Talossaball • Westarcticaball|
|Unclaimed Regions||Marie Byrd Landball|