Some sources claim this episode as the first pogrom.
At the start of 20th century, anti-Jewish pogroms continued to occur.
In this time of mysticism and overly formal rabbinism came the teachings of Israel ben Eliezer, known as the Baal Shem Tov, or Be Sh T, (1698–1760), which had a profound effect on the Jews of Eastern Europe.
His disciples taught and encouraged a new fervent brand of Judaism, related to Kabbalah, known as Hasidism.
The Jewish population of Halychyna and Bukovyna, part of Austria-Hungary, was extremely large; it made up 5% of the global Jewish population.
From the founding of the Kingdom of Poland in the 10th century through the creation of the Polish–Lithuanian Commonwealth in 1569, Poland was considered one of the most diverse countries in Europe.
By the 11th century, Byzantine Jews of Constantinople had familial, cultural, and theological ties with the Jews of Kiev.
For instance, some 11th-century Jews from Kievan Rus participated in an anti-Karaite assembly held in either Thessaloniki or Constantinople.In the westernmost area of Ukraine, Jews were mentioned for the first time in 1030.An army of Cossacks and Crimean Tatars massacred and took into captivity a large number of Jews, Roman Catholic Christians and Uniate Christians in 1648–49.Ukraine had 840,000 Jews in 1959, a decrease of almost 70% from 1941 (within Ukraine's current borders).Ukraine's Jewish population declined significantly during the Cold War.In Halychyna (Galicia), the westernmost area of Ukraine, Jews were mentioned for the first time in 1030.