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,
Luangwa, Zambia is a rugged wilderness on the Zambezi Escarpment and the lower Luangwa valley includes unspoilt scenery and wildlife habitats. Luangwa, Zambia Luangwa is a town in Zambia, at the confluence of the Luangwa and Zambezi Rivers, which was called Feira until 1964. It is headquarters of a district of the same name in Lusaka Province. Feira was probably the first European settlement in Zambia, but the dates are not well documented. What is documented is that the Portuguese first settled on the opposite bank of the Luangwa at Zumbo in Mozambique around 1720, in order to trade with the Bwila