Why is religious history not recorded in world history books?
Your statement is factually inaccurate. Religion is recorded in history books, but since this world exalts man and focuses upon man and religion nominally seeks to shift the attention to God, so it is downplayed and given a subsidiary place in history. What really may lie behind your question is why there are very few historical references to Jesus Christ. That is simply because Jesus Christ is God’s Word to mankind and so will not be received or recognised by His enemies. Put another way, God will not leave to man the vital importance of the record of His Son. Thus we are sealed up to God’s word only and not man’s. If we receive the witness of men, the witness of God is greater: for this is the witness of God which he hath testified of his Son. He that believeth on the Son of God hath the witness in himself: he that believeth not God hath made him a liar; because he believeth not the record that God gave of his Son. And this is the record, that God hath given to us eternal life, and t
