Cheese Sacrifice Purchase Day is observed every July 29 in the United States, celebrating a quirky tradition of buying cheese to 'sacrifice' on mousetraps. Although the original purpose of this practice, related to pest control, has been scientifically debunked, the holiday has evolved into a celebration of cheese. Participants are encouraged to embrace the absurdity of the day by exploring new ways to enjoy cheese or appreciating its rich history. Grocery stores and specialty cheese shops typically highlight their cheese selections with potential promotions from brands like Tillamook, Kraft Heinz, and Cabot Creamery. Social media engagement is encouraged, with individuals sharing creative ways to 'sacrifice' cheese through humorous skits or unique recipes. The day invites both fun and culinary exploration, making it a lighthearted occasion for cheese lovers.