Thread:TomasDerksen/@comment-24675861-20141215145649/@comment-112155-20141215193901

I just wanna pose a question (actually two)
 * 1) Why some dates have been guessed/assumed/calculated/infered/deduced/assigned (or whatever the name you want to give to that), and some have been listed as "Unknown Dates"?
 * 2) And who is to decide that?