- The amazing fact that in the 18th century it was discovered:
 
There are three main language families:
- Indo-European (Includes English,Latin),Portuguese belongs to
 - Sino-Tibetan (Includes Chinese,Mandarin)
 - Afro-Asiatic (Includes Arabic)
 
Try to this link on some interesting more about language family tree: https://www.angmohdan.com/the-root-of-all-human-languages/