Best Birthday is a useful utility that helps you organize and view birthdays, anniversaries, and other important dates in a handy way: by expanding the functionality of your built-in calendar.

Anniversaries view:

Best Birthday is fully integrated with built-in Calendar and Contacts applications. It collects all anniversaries found in Contacts and associates them with records in Calendar.

You can easily customize order, in which you'd like birthdays to be shown. This can be done with the help of menu command 'Sort by':

How to add a birthday:

All data about a birthday is stored in Contacts.
In order to add a birthday to an existing contact choose command New from contact.
If you want to add a birthday date but you don't have a corresponding contact use command New to create a new contact with birthday date.

How to add Calendar reminder:

Best Birthday lets you add Meeting reminder in your Calendar. When you add a calendar you can configure the following settings:

Note: If you want to add a lot of records in calendar at one time use command Mark all from menu Mark.

Some useful features: