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,
Kasama, Zambia Codrington established a boma at Kasama and the town's central location as well as its closeness to Chitimukulu's court led to it eventually becoming the largest and dominant town of the north-eastern lobe of what became Northern Rhodesia, then later, Zambia. The town has a few modern facilities, among them are a Shoprite Checkers branch, budget stores, a local supermarket called PJT and four bakeries. The town has branches of Zambian commercial banks including Zambia National Commercial Bank, National Savings & Credit Bank, Atlas Mara Bank Zambia Limited, Standard Chartered Zambia, Cavmont Bank, Barclays Bank of Zambia and Indo-Zambia Bank