Threlizdun wrote:]The first recorded instance I have heard of was around 100 B.C.E., with them forgetting about it until I believe around fifty years later. Then of course the date accepted by modern civilizations for his birth stated it occured, and it was never mentioned again until Paul's writings, which actually never even mentioned his life, but only the crucifiction.
So all of it happened, but people only knew about it later. Especially seeing as people were quite willing to change the time of Jesus' birth.