In early modern times it involved the delivery of a drasha and the reading of the maftir, which is still often done today.  
In theory it should take place ten years after a hair-cutting ceremony known as the upsherin.  In early modern times it involved the delivery of a drasha and the reading of the maftir, which is still often done today.  A modern variant of it was introduced by Mordecai Kaplan, who was inspired by an Italian custom.  In Morocco it tends to occur a year earlier than usual, and it is sometimes performed a second time by 83-year-olds, such as Kirk Douglas.  In its aftermath, one can wear tefillin and make up part of a minyan.  FTP, name this religious ritual which commemorates the coming-of-age of a young Jew.
In theory it should take place ten years after a hair-cutting ceremony known as the upsherin.  
Bar Mitzvah (accept Bar Mitzvot; grudgingly accept Bat Mitzvah)