Sheol, Hades, Gehenna and Tartarus are not equal to the christian lie of hell. If you wanted to understand where the word Hel/hell comes from and get a better understanding of it, check the etymology.<quoted text>
I tend to agree with you, as when the issue first came to my attention on here a day or two ago, I looked it up and found the same information that you posted. The only possibility that might lead others to believe that hell didn't come around until a few years ago, is there is some discussion about what the meanings of those words are, as they have various meanings in their original language.
The original (and current) meaning of Hel is that it is one of the nine worlds of Yggdrassil. It is a realm of COLDNESS and stillness and has nothing to do with eternal damnation and torture, or burning. It is unfortunate that the beliefs and traditions of those we call vikings have been distorted so much.