Bar and Bat Mitzvah the commandments . . ." The Talmud gives 13 as the age at which a boy's vows are legally binding, and states that this is a result of his being a "man", as required in . The term "bar mitzvah", in the sense it is now used, cannot be clearly traced earlier than the 14th century, the older rabbinical term being "gadol" (adult) or "bar 'onshin" (legally responsible for own misdoings). Many sources indicate that the ceremonial observation of a bar mitzvah developed in the Middle Ages, however, there are extensive earlier references to thirteen as the age of majority
Mitzvah tank in "military fashion" in which "campaigns" and battles are fought, hence the naming of the vans and trucks as "tanks". The strategy behind the Mitzvah tank "campaigns" was designed and encouraged by the seventh rebbe of Chabad Lubavitch, Rabbi Menachem Mendel Schneerson . Mitzvah tanks can be vans, travel trailers, recreational vehicles, campervan or pickup trucks. On Sukkot, vehicles may be fitted with a portable Sukkah (the Sukkah-mobile). Mitzvah tanks are put into operation on the eve of major Jewish holidays and Fridays prior to Shabbat. The vehicles often have large banners or logos on them, extolling some aspect of