Natural language (history)
In the 13th century, in order to discover which language human would speak naturally, roman emperor Frederick II placed 50 newborns in the care of nurses who would only feed and bathe the babies but not speak or hold them. The emperor never got an answer because all the babies died Why do you think all the babies died ? Um herauszufinden, welche Sprache der Mensch von Natur aus sprechen würde, gab der römische Kaiser Friedrich II. im 13. Jahrhundert 50 Neugeborene in die Obhut von Krankenschwest