Board Thread:Lore Discussion/@comment-9062114-20140323022721/@comment-17114085-20140329181909

Exactly, we don't know the truth. One of the theories is that those Hiradirge caused it, others say it was a natural phenomenon.

About the Left-Handed elves, we don't know what their culture was like so we still don't know if they are like the bosmer/orsimer or like the other elves.