When did Incredible Crisis happen?

"Incredible Crisis" is not a widely known historical event. It is possible that you are referring to a specific fictional event or a misunderstanding.

To help me understand what you're asking, could you please provide more context? For example:

* What is the source of this term? (Is it a book, a movie, a video game, or something else?)

* What kind of event are you expecting it to be? (Is it a natural disaster, a political event, a war, a scientific breakthrough, or something else?)

With more information, I can try to understand your question and provide a helpful answer.