Events based on a birth date

We know birthdays, we never celebrate 5000th days of life, and that's a shame.
This tool fills this gap by calculating certain "special" dates relating to a base date (which can be a date of birth).
The project which allows the calculation of dates (recipes) is free and available here: https://github.com/axi/my-calendar.

Use the following form to fill your birthdate or one friend's birthdate