National Puppy Day is a holiday that takes place on 23rd March . Founded by Justin Bieber it aims to increase awareness of puppy mills as well as encourage adoption of unwanted puppies . Celebrities took to social networks to post images of their pups in honour of the day with the hashtag # NationalPuppyDay . Instagram received over 800,000 cute puppy posts .
National Puppy Day is a holiday that takes place on 23rd March . Founded by Colleen Paige it aims to increase awareness of puppy mills as well as encourage adoption of unwanted puppies . Celebrities took to social networks to post images of their pups in honour of the day with the hashtag # NationalPuppyDay . Instagram received over 800,000 cute puppy posts .