National Dog Day 2016 08/24/2016 August 26th is National Dog Day. Grab your pooch and let's celebrate! Here are 10 ideas to make your dog feel special on this day designed to recognize their unconditional love for you. Throw a Party! Invite all your doggie friends over to celebrate in style. Unleash your inner party animal. Document your celebrate with some photos. Dust off the selfie stick in the closet and start snapping photos. Spoil your dog with some special treats. This time of year puppy ice cream is always a hit!