Our current year by the Gregorian calendar, 2021 A.D. It is interesting to note that the purpose of the B.C./A.D. dating system was to make the birth of Jesus Christ the dividing point of world history. The birth, life, ministry, death, and resurrection of Christ are the “turning points” in world history AD stands for the … More ANOTHER POINT TO SHOW THE WORLDS SIGNIFICANTS OF CHRISTS BIRTH