Principle purpose of this lecture is to present on Lecture on Islam, Judaism and Christianity. Islam – Founded in Arabia by Muhammad between A.D. 610 and A.D. 632. Judaism- The Hebrew leader Abraham founded Judaism around 2000 B.C. Judaism is the oldest of the monotheistic faiths (religions with one God). Christianity – Founded by Jesus Christ, who was crucified around A.D. 30 in Jerusalem. It was after his death when his followers came to believe in him as the Christ, the Messiah.