Following is the list of suggestions for what could be included in your report:

being born: where? father present? celebration?
birthday: celebrations? name day?
becoming an adult: age? celebration? initiation ceremony?
retirement: age? ceremony?
death: ceremony?

starting school: age? celebration?
changing school: age? exam?
leaving school: earliest legal age? exams? celebration?

legal age of:

- being alone at home
- buying alcohol
- sexual intercourse
- working for pay
- riding a moped/driving a car
- voting in government elections
- joining army
- watching x-rated film
- leave home

dating customs: chaperones? getting engaged? wedding ceremonies? anniversaries?

religious ceremonies / holidays:

e.g. Christian: baptism? communion? confirmation? / Easter? Christmas?