Latin language
Once upon a time, this language knew the best of times, and it was spoken by all the territories of the Holy Roman Empire. Now, although the Latin language is considered dead, it is the official language of the Holy See, the Order of Malta and the Vatican City State. Divine services are still conducted in it, and until the end of the 20th century this language remained the language of science. As a matter of fact, before the French Revolution, many more people knew Latin - all teaching in universities...