National Today Mutt Day Activities 2024. National mutt day, also known as national mixed breed dog day, was created in 2005 by celebrity pet & family lifestyle expert and animal welfare advocate, colleen paige and is. Dogs are special and there are oodles of national (and international) holidays to prove it.

These mutts bring a diverse combination of physical traits and. But unlike most of our doggy days, national mutt day, on july 31, focuses on the mixed breed dogs who sometimes get.