Sometimes with tongue in cheek... This day is unique, mainly. You can retain more than only memories!
Baptism of a child does not remember. They can only tell you about the parents and photos been made during it.
First Holy Communion
Is the most important day in the life of an eight year old. She picked up the ceremony, many guests and First Communion gifts and made in the form of reportage, pictures of communion. The most important memento of the day.