Bar and Bat Mitzvah to the event. However, this does not delay the onset of rights and responsibilities of being a Jewish adult which comes about strictly by virtue of age. The obligation to lay tefillin begins when a boy reaches bar mitzvah age. The common custom is for the bar mitzvah boy to begin putting on tefillin one to three months before his bar mitzvah. This way, by the time he is obligated in the commandment, he will already know how to fulfill it properly. The first mention of a party associated with a synagogue bar mitzvah was in the 13th century, so
Society for the Advancement of Judaism for Judith Kaplan, daughter of Rabbi Mordecai Kaplan. Society for the Advancement of Judaism The Society for the Advancement of Judaism is a synagogue and Jewish organization in New York City, on Manhattan's Upper West Side. Founded in 1922 by Rabbi Mordecai M. Kaplan, the founder of Reconstructionist Judaism, the synagogue is affiliated with the Reconstructionist Jewish movement. The current rabbi is Lauren Grabelle Herrmann, who succeeded Michael Strassfeld on 1 July 2015. Moshe Nathanson, composer of Hava Nagilah, was Cantor of the SAJ during Kaplan's tenure. The first American Bat Mitzvah was held at the Society for the Advancement