Ba-Ba-Reeba's Orange Festival; Free Burgers at M Burger

LINCOLN PARK—Café Ba-Ba-Reeba kicks off its week-long orange festival tomorrow, featuring a bunch of orange-flavored and orange-themed food and drinks, including (but not limited to!) chicken and orange paella, orange sangria, and tuna tartar with cara cara oranges. [EaterWire]

STREETERVILLE—Tomorrow is M Burger on Huron's one-year anniversary, and to celebrate the occasion the burger joint is giving away free burgers (limit: one per person) at the Huron Street location, from 11AM to 7PM. [EaterWire]

EVERYWHERE—Another anniversary! Starbucks turns 40 this week, and participating coffee shops will be offering free petites, March 10-12 from 2-5PM. What are petites? They're smallish sweets, like red velvet whoopie pies and tiramisu cake pops. [EaterWire]