Official language to the government in their native languages. In countries that do not formally designate an official language, a "de facto" national language usually evolves. English is the most common official language, with recognized status in 51 countries. Arabic, French, and Spanish are also widely recognized. An official language that is also an indigenous language is called "endoglossic", one that is not indigenous is "exoglossic". An instance is Nigeria which has three endoglossic official languages. By this the country aims to protect the indigenous languages although at the same time recognising the English language as its lingua franca. Around 500 BC,
Maritime history of Chile Maritime history of Chile The maritime history of Chile begins with the independence of Chile, but traces it origin in the colonial era and has ultimately origin in the seafaring tradition of the Iberian Peninsula, Europe and the Mediterranean as well as from indigenous peoples of Chile. In the Chiloé Archipelago a watercraft called "dalca" was of common use in Pre–Columbian times. Dalcas were made of planks and were mainly used for seafaring while wampus were used for navigating rivers and lakes. It is not known what kind of oars early Mapuches presumably used. In 2007, evidence appeared to have