Only if it's from a previous thread with the same character, and even then I might just link it in case. If there's a thread in there related to a conversation going on in a current thread (example: if Norway asked him to have a talk with Iceland) I'd link the thread with that prior conversation.
Generally, though, I tend not to assume there's any knowledge of what this dude gets up to.
ooc
Generally, though, I tend not to assume there's any knowledge of what this dude gets up to.