Unfortunately not. Only if you create a Custom Event, but you won't have the birthday cake icon.
I've just created a suggestion ticket for it: https://jira.atlassian.com/browse/TEAMCAL-3312. You can vote it in order to expedite its resolution.
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs