Who invented sign language ? I must tell you from the start that I am not going to drop you any name ! Because ...
Invented tongues
Nowadays, Esperanto is spoken by thousands of people around the world. It was born in 1987 thanks to the will of a single person. Among other things, Esperanto has success thanks to its pacific aim is appealing to many and its grammatical and vocabulary structure is sound. Other invented languages have success because they were used in movies.
Fictional languages: especially created for a movie or novel
A Klingon expression + a universal one* Fictional languages are languages created from scratch for the sole purpose of ...
Languages of the world: thousands of treasures to explore
b, %, #, top ten More than six billion nine hundred ninety-nine thousand nine hundred and ninety-nine other people than ...