It's the becoming of a man/woman.
Jews celebrate a bar mitzvah when a boy turns 13 and becomes a official adult man/member of the community.
The majority of bar mitzvot (pl) are celebrated in synagogues.
With Bar-B-Ques and Fiestas
they usually go out to a bar and get drunk and celebrate
You don't need to but people celebrate the day they get older called birthday's.
Most people everywhere celebrate it at 13 years old but I went to one person's when they were 12.
They celebrate Don't Need To Know This Day.
You need to celebrate the birth of you. plus, you get to eat cake!
Jewish boys have a Bar Mitzvah at 13 years as a rite of passage.
13. This is for a boy. A bat mitzvah is for a girl, age twelve.
It is a Jewish ceremony to celebrate a young boy becoming an adult
coming of age its kind of like a bar mitzvah except for christians