Where is the calendar of events and birthdays?

To open the calendar of birthdays and events you are going to attend, just follow this link vk.com/friends?w=calendar or go to the "Friends" section and click the calendar icon at the top-right.

Please note it's available only for users with more than 10 friends.

By the way notifications about your friends' birthdays will be shown under the bell icon at the top of the page.
Your search for returned no results.
Try using other keywords, e.g.: "delete profile", "create chat".
Check your request for misprints.