March 14, also known as Pi Day, is a classic American holiday created by Larry Shaw in 1988 and was recognized as an official holiday on March 12, 2009. For Chicago, celebrating Pi Day means supporting local businesses to search for the best pie in the 312 zip code. Featured here are pies from honeypiecafe, sweetmandybs, and pleasurepies. . 📸: Alison Schultz for thedepaulia . #pi #piday #pie #pieday #happypiday #chicago #piday2022 #food #sweets #foodphotography #omnomnom