National Donut Day". However, to score your free donut at Dunkin, you'll need to make a beverage purchase to qualify for the free donut offer. Don't forget that Krispy Kreme has a free doughnut offer too -- with no purchase required.
What are you planning to get? Are you a sprinkles or a filling kind of person? Let me know in a comment. My kids love any doughnuts with sprinkles on top.