Languages☺

There are between 6000 and 7000 languages in the world - spoken by six billion people divided into 189 independent states. Cuneiform is the first form of written languages and it was used for over 3000 years.
The sign languages were invented by Abbé Charles-Michel de l'Épée, the first person who recognized the importance for the instruction of deaf children. Sign languages aren't universal because there are more than one sign language in a country, just as for oral languages. There are two sign languages in Belgium or in Spain.
Russia has by far the highest number of languages spoken on its territory: from 130 to 200 depending on the criteria.
The active vocabulary of a person can reach some 50,000 words; the words they know but do not use - their passive vocabulary - is somewhat larger.
The families in Europe with the most speakers are the Germanic, Romance and Slavic.
Germanic: Danish, Norwegian, Icelandic, Swedish
Romance: Romanian, Occitan, French, Sardinian 

Slavic: Bulgarian, Russian, Ukrainian, Belorussian, Polish, Serbian and Czech.
In daily there are over 200 European languages.