At what time period was Earth temporarily reconnected to Toril?

Do the Blue Dragons have any names for ‘em?

Pennae was one of my favorite characters in the Knights trilogy, what happened to her in the home Realms?

Does Ehlonna have worshippers in Forgotten Realms?

Is it true that Volo is a kind of your alter ego in Forgotten Realms, just like Tom Bombadil in Tolkien books?