Tried to search it online but only got post-Skyrim results, just wondering if the Dragonborn lore existed before the game Skyrim. I know that Talos existed before, I'm not that much of a lore amateur, but has it always been said that he was Dragonborn or was that just implemented as Skyrim came out to create a kind of backstory to the whole Dragonborn thing?

http://www.reddit.com/r/teslore/comments/1b90pt/was_there_any_mention_of_the_dragonborn_in_the/