It may come as a surprise to many new web developers but there are actually websites in every possible language.
If you want to build websites for people all over the world then you need to know how to handle multiple languages on your webpages.
I will have more videos in the future where I talk about localizing other things like currency and numbers too.
Code GIST: https://gist.github.com/prof3ssorSt3v3/a36606408c98faa7f91071de12d1e5cc