Many people would agree that the most significant and influential person to walk on planet earth has been Jesus of Nazareth. Although he never led an army, ruled a nation or wrote a book, world history is divided by his birth. The years before his arrival on earth are designated B.C. (before Christ). The years since his birth are designated A.D. (Anno Domini, "in the Year of the Lord"). The life and teachings of Jesus have had a tremendous impact...