September 18, 2021 - NATIONAL CHEESEBURGER DAY – NATIONAL DANCE DAY – NATIONAL CLEANUP DAY – RESPONSIBLE DOG OWNERSHIP DAY – PUPPY MILL AWARENESS DAY – AIR FORCE BIRTHDAY – NATIONAL HIV/AIDS AND AGING AWARENESS DAY - BOYS’ AND GIRLS’ CLUB DAY FOR KIDS – NATIONAL GYMNASTICS DAY By Doug September 17, 2021
NATIONAL CHEESEBURGER DAY - September 18 National Cheeseburger Day celebrates the American favorite hamburger with a slice of cheese and all the toppings one cares to enjoy! By National Day Calendar June 4, 2014
