McMurdo Research Station in Antarctica was initially established after World War II, in 1946, by the United States of America.
McMurdo Station was established by the United States on February 16, 1956.
McMurdo Research Station was established by the United States of America, by the United States Navy on February 16, 1956.
The Davis Antarctic Research Station in supported by the government of Australia.
Russia
United States
Every research station celebrates the holidays that are celebrated in the country that supports the station.
The Amundsen-Scott South Pole research station is supported by the United States of America.
Apparently, Rothera Research Station, supported by the British Government, was first established in 1961. In 1975, it was replaced by a new station with the same name, because the original facilities deteriorated.
Each research station bases its time clocks in the country that supports the station. There is no standard time in Antarctica.
The station was opened on February 13, 1956. The main areas of research are glaciology, seismology, meteorology, observation of polar lights, cosmic radiation, and marine biology.
McMurdo Research Station was founded by the United States of America.
From its Wikipedia page: "Wilkes Station was an Antarctic research station established 29 January 1957 by the United States as one of seven U.S. stations established for the International Geophysical Year (IGY) program in Antarctica. It was taken over by Australia on 7 February 1959." You can locate it using these coordinates: 66° 15′ 25.6″ S, 110° 31′ 32.2″ E.