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,
Flag of Zambia Flag of Zambia The flag of Zambia is the national flag of Zambia. It was adopted upon independence on 24 October 1964. Before that, Zambia was the British protectorate of Northern Rhodesia and used a defaced Blue Ensign as its flag. The current flag is used as both national flag and ensign. It is green with an orange-coloured African fish eagle in flight over a rectangular block of three vertical stripes, coloured, from left to right: red, black and orange. The placement of the eagle and block of stripes at the flag's fly is notable as most emblems and devices