User blog comment:JAlbor/Assassin's Creed: Black Flag Q&A Opportunity/@comment-5546424-20130809170130/@comment-4142930-20130812101212

Maybe it is with Easter eggs, there would be some thing ;) I in any case, I expect this AC IV with present day  have perhaps information on this point, because these calculations seem strange ...

Anyway nothing is true, everything is permitted