In Argentina, the Day of the Argentine Antarctic, or Argentine Antarctic Sovereignty Day (Spanish: Día de la Antártida Argentina, lit.

It commemorates what Argentina says was the first permanent settlement, in 1904, in an area later claimed as an integral part of the country.

The claimed area is designated de jure a department in the Argentine province of Tierra del Fuego, Antarctica, and the South Atlantic Islands.

[2][3][4] Argentina has no de facto authority over that part of Antarctica outside its bases.

[5] The area is also claimed by the United Kingdom and, in most part, by Chile.