Official languages of the United Nations just one official language, French. IFAD has four official languages: Arabic, English, French, and Spanish. The next largest international grouping after the UN is the Commonwealth of Nations which is exclusively English speaking. All other international bodies in commerce, transport and sport have tended to the adoption of one or a few languages as the means of communication. This is usually English, closely followed by French (see: list of international organisations which have French as an official language). Regional groups have adopted what is common to other elements of their ethnic or religious background. Standard Arabic is usually adopted across
Chile in accordance with the provisions of the Convention concerning the Protection of World Cultural and Natural Heritage of 1972, ratified by Chile in 1980. These cultural sites are the Rapa Nui National Park (1995), the Churches of Chiloé (2000), the historical district of the port city of Valparaíso (2003), Humberstone and Santa Laura Saltpeter Works (2005) and the mining city Sewell (2006). In 1999 the "Cultural Heritage Day" was established as a way to honour and commemorate Chiles cultural heritage. It is an official national event celebrated in May every year. Chile Chile (; ), officially the Republic of Chile