Birthday free stuff!
What free stuff can you get on your birthday in Calgary?
Here's what I know of:
Anything you can add? I'll edit OP with updates
Bubble Tea at RoyalTea on 10th Ave SW as well as their mission location.
Here's a list:
https://curiocity.com/20-places-in-calgary-you-can-get-free-stuff-on-your-birthday/
Gong Cha on 36St NE gave me one of those bubble/waffle desserts. It always pays to sing "Happy Birthday to Me" when picking up your birthday Bubble Tea!