Yahrtzeit of the Maggid of Mezrech (1710-1772), the successor of the Baal Shem Tov, who consolidated chassidic teachings into a structured, cohesive movement. Among the ideas he emphasized was the importance of clinging to God in all actions -- business, social and religious. The Maggid also taught of perfecting one's soul in order to bring about the redemption of the world. Today, tens of thousands of chassidim trace their spiritual roots back to the Maggid of Mezrech.