Managing Calendar & Birthdays (Board Statistics Area)

Admin CP » System Settings » Calender/Birthday

You should see:

Show birthdays on the main calendar view - Will show the birthdays on the Calendar
Show Today's birthdays on the board view - Will show the birthdays on the Board Statistics
Show forthcoming events - Will show the upcoming events from the calendar on the Board Statistics
Show forthcoming events from today to [x] days ahead - Will show the upcoming events in [x] number of days in the Board Statistics

You can choice to say Yes or No to them, the last one you will need to enter a number.

Once you are done simply click "Sumbit Changes"

Documentation by .Kurupt