Boys Club Day, May Ray Day, Mike, The Headless Chicken Day, National Asian & Pacific Islander HIV/AIDS Awareness Day, Neighbor Day, Pentecost, World Autoimmune Arthritis Day, National Devil’s Food Cake Day, World Baking Day, National Quiche Lorraine Day, Pick Strawberries Day
May 18
May 17
Endangered Species Day, International Virtual Assistants Day, NASCAR Day, National Bike to Work Day, National Defense Transportation Day, National Pizza Party Day, Syttende Mai, World Hypertension Day, Information Society Day, World Telecommunications Day, World Neurofibromatosis Day (NF Day), National Cherry Cobbler Day
May 16
May 15
Hyperemisis Gravidarum Awareness Day, International Day of Families, International MPS Awareness Day, National Chocolate Chip Day, National Tuberous Sclerosis Day, National Women’s Check-up Day, Nylon Stockings Day, Peace Officer Memorial Day, National Employee Health & Fitness Day, Straw Hat Day, Turn Beauty Inside Out Day





