No one knows exactly when humans started domesticating dogs.
It remains a "bone" of contention among scientists
We do know that there are an estimated 65 million dogs owned by people in the United States alone.
VPR’s Mitch Wertlieb recently attended an event that aims to drive that number up even higher–a party for people and their pets called Canines and Cocktails , held at the Chittenden County Humane Society.