Charter of the French Language not form a majority in this constituent country of the United Kingdom. According to Colin H. Williams, professor and researcher at the Welsh Department of Cardiff University particular lessons followed in Wales which stem from the experience of Quebec are: In Israel, while the "penetration of English in the sociolinguistic organization of the country" is perceived, according to Bernard Spolsky, professor emeritus of English at the Bar-Ilan University, as a threat to Hebrew, the language policy has thus far only influenced linguists and some politicians. He writes: Periodically, Israeli politicians present bills to proclaim Hebrew the sole official language of
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,