Much of the Western world looks at China and says, yeah, a billion people speaking a Chinese dialect. What's the big deal? Well, the reality is that convincing that many people in their own native lands to speak a foreign language is not an easy task. Today, China has over 300 spoken dialects and languages, and an unknown number of that are long gone extinct. Come take a look at how this came to be.

https://www.youtube.com/watch?v=6RuZ4eW-B28