There once existed an ancient religion, and in that religion a God was worshiped. The God was Mithra, Sun God. With ties to Zoroastrianism, dating back to ancient Persia, one must wonder how much impact this religion had on Judaism and, in turn, Christianity and then Islam. It is important to note that this religion existed before the development of Christianity and while these two religions are different, today's Christian may be surprised to see the similarities that they do have with one another.
Similarities like the following: