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 GYMNASTICS DAY - Third Saturday in September National Gymnastics Day is annually observed on the third Saturday in September.This classical sport has been in existence since the 5th century B.C. By National Day Calendar January 20, 2016
