Celebrate your birthday with these free food, drink, beauty, & other freebies.
Most offers want you to join a club/email list or download their app, and some you can get just showing up.
Food Freebies
AMC Theaters: A free popcorn (and, for higher tiers of the free membership program, a large fountain drink, too) during your birthday month. Join AMC Stubs.
Applebee's: Free dessert on your birthday. Join Applebee's Club.