I found a neat website called CanadianHistoryForKids.com. It's an interesting way to introduce many topics of Canadian history to our youth.
Naturally, I searched for hockey and found ample results:
Be sure to check out CanadianHistoryForKids.com. It seems to be a production of an organization called Signature Productions. Ultimately the website content is designed to introduce to further learning opportunities by purchasing their series of published books.