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,
History of the Slovak language first Slovak grammar of the new language will be published by Ľudovít Štúr in 1846. In 1844, the Hungarian Diet of Pozsony (today Bratislava) replaces the Latin language (used since the Middle Ages) with the Hungarian language as the official language of Hungary (including what later became Slovakia). In 1851, the supporters of Bernolák and Štúr made a compromise and agreed on the reform of the Štúr's standard. The new standard respected etymological principles instead of Štúr's phonetic-phonological transcription and got Slovak orthography closer to other Slavic languages, especially Czech. The new grammar was published by Martin Hattala in 1852.