When was Yellow Discipline created?

"Yellow Discipline" is not a commonly known term or concept. It's possible there's a misunderstanding or a typo.

Could you please clarify what you mean by "Yellow Discipline"?

For example, are you referring to:

* A specific historical event or movement?

* A particular educational or training method?

* A fictional concept from a book or movie?

Once you provide more context, I can help you find the information you're looking for.