Dairy Queen's Free Cone Day, Weekday Brunch from Hightower, More

3.14159 WIRE — Monday, March 14 is Pi Day, which is as good an excuse as any to eat pizza. In observance of this sacred holiday, Blaze Pizza is offering $3.14 build-your-own pizzas. [EaterWire]

WE ALL SCREAM — Dairy Queen marks the end of winter with Free Cone Day on Tuesday, March 15. Customers will receive one small soft-serve cone at participating locations; DQ will also be accepting donations for the Children's Miracle Network as part of the promotion. [EaterWire]

ANNIVERSARY WIRE — Wheatsville Co-Op celebrates its 40th anniversary on Wednesday, March 16. Both locations will be offering free cake (in standard, vegan, and gluten-free varieties) at the top of the hour from noon to 6 p.m. In addition, the cooperative will offer one-day sales on things like vegan donuts, popcorn tofu, and Sweet Ritual pints. [EaterWire]

BRUNCH WIRE — SXSW is like vacation, so why not have some weekday brunch? The Hightower will offer brunch from 11 a.m. to 2:30 p.m. on Thursday, March 17 and Friday, March 18 in honor of SXSW. Menu items include chicken and waffles, mahi mahi ceviche and build-your-own Bloody Marys. [EaterWire]