Abrahamic religions Abrahamic religions The Abrahamic religions, also referred to collectively as Abrahamism, are a group of Semitic-originated religious communities of faith that claim descent from the Judaism of the ancient Israelites and the worship of the God of Abraham. The Abrahamic religions are monotheistic religions: they worship only one god, the unique God. The term derives from patriarch Abraham, a major biblical figure from "The Old Testament", which is recognized by Christians, Muslims and others. Abrahamic religion spread globally through Christianity being adopted by the Roman Empire in the 4th century and Islam by the Islamic Empires from the 7th century.
Christianity and Judaism as inherently polytheistic, and rejects the Christian attempts to explain the Trinity as a complex monotheism. Christian festivals have no religious significance in Judaism and are not celebrated, but some secular Jews in the West treat Christmas as a secular holiday. Christians believe that Christianity is the fulfillment and successor of Judaism, retaining much of its doctrine and many of its practices including monotheism, the belief in a Messiah, and certain forms of worship like prayer and reading from religious texts. Christians believe that Judaism requires blood sacrifice to atone for sins, and believe that Judaism has abandoned this since