National Day or Dieciocho (Chile)

The Fiestas Patrias of Chile consist of two days, with a third one added on some years:

• 18 September, in commemoration of the proclamation of the First Governing Body of 1810, and marking the beginning of the Chilean Independence process.
• 19 September, known as the "Day of the Glories of the Army".
• Since 2007, 17 September or 20 September will be included as well.
• Since 2017, 17 September will also be included.

Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes Mountains and the Pacific Ocean. Chile had a population of 17.5 million as of the latest census in 2017 and has a territorial area of 756,102 square kilometers (291,933 sq mi), sharing borders with Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage to the south. The country also controls several Pacific islands, including Juan Fernández, Isla Salas y Gómez, Desventuradas, and Easter Island, and claims about 1,250,000 square kilometers (480,000 sq mi) of Antarctica as the Chilean Antarctic Territory. The capital and largest city of Chile is Santiago, and the national language is Spanish.