Argentine Antarctica mainland. Argentina was the only nation to have an Antarctic base for 40 years until the British built a base on the same islands. Argentina bases its claims on this sector of Antarctica on the following grounds: Argentina's claim to the Antarctic Peninsula overlaps with the Antarctic claims of Chile, 53°W to 90°W, and the UK claims, 20°W to 80°W. Currently, there are no attempts by Argentina or any other country to enforce territorial claims in Antarctica. See List of Antarctic territorial claims. None of these claims have international recognition and have been suspended by the Antarctic Treaty in 1961.
Shannon Airport on the south side of the Shannon Estuary. However, it was realised that changing technology would require a permanent runway and airport. In 1936, the Government of Ireland confirmed that it would develop a site at Rineanna for the country's first transatlantic airport. The land on which the airport was to be built was boggy, and on 8 October 1936 work began to drain the land. By 1942 a serviceable airport had been established and was named Shannon Airport. By 1945 the existing runways at Shannon were extended to allow transatlantic flights to land. When World War II ended, the