Jewish religious movements importance and role of Jewish observance. Due to the geographical distribution and the geopolitical entities affected by the Enlightenment, this philosophical revolution essentially affected only the Ashkenazi community; however, because of the predominance of the Ashkenazi community in Israeli politics and in Jewish leadership worldwide, the effects have been significant for all Jews. Sephardic Judaism is the practice of Judaism as observed by the Sephardi (Spanish and Portuguese Jews), Maghrebi Jews and Mizrahi Jews, so far as it is peculiar to themselves and not shared with other Jewish groups such as the Ashkenazim (German Rite). Sephardic Judaism does not constitute
Ashkenazi Hebrew from Spain in 1492 (or before) the Sephardic pronunciation of the vowels became standard in all these countries, ironing out any differences that previously existed. This makes it harder to adjudicate between the different theories on the relationship between today's pronunciation systems and those of ancient times. Leopold Zunz believed that the Ashkenazi pronunciation was derived from that of Palestine in Geonic times (7th–11th centuries CE), while the Sephardi pronunciation was derived from that of Babylonia. This theory was supported by the fact that, in some respects, Ashkenazi Hebrew resembles the western dialect of Syriac while Sephardi Hebrew resembles the