History of the Jews and Judaism in the Land of Israel almost a decade after the arrival of two of his pupils, R. Hayim of Vilna and R. Israel ben Samuel of Shklov. In all there were three groups of the Gaon's students which emigrated to the land of Israel. They formed the basis of the Ashkenazi communities of Jerusalem and Safed, setting up what was known as the Kollel Perushim. Their arrival encouraged an Ashkenazi revival in Jerusalem, whose Jewish community until this time was mostly Sephardi. Many of the descendants of the disciples became leading figures in modern Israeli society. The Gaon himself also set forth with his pupils
Ethnoreligious group and ancestral ties. The legal assignement what is an ethnoreligious group can differ from the above given definition. Some ethnoreligious groups' identities are reinforced by the experience of living within a larger community as a distinct minority. Ethnoreligious groups can be tied to ethnic nationalism if the ethnoreligious group possesses a historical base in a specific region. In many ethnoreligious groups emphasis is placed upon religious endogamy, and the concurrent discouragement of interfaith marriages or intercourse, as a means of preserving the stability and historical longevity of the community and culture. Prior to the Babylonian exile the Israelites had already