March 23 is National Puppy Day

Happy National Puppy Day.

The annual holiday celebrates puppies and encourages pet adoption.

National Puppy Day was founded in 2006 by Colleen Paige, according to nationalpuppyday.com. You can tweet photos of your puppy using the hashtag #NationalPuppyDay along with the tag @Natl_PuppyDay.

This story was originally published March 23, 2015 at 9:17 AM.