5,300 years ago: Dogs get leashes and collars

The experts at Alaska Dog Works share this moment in dog history: 

The early Mesopotamians urbanized dogs, and city dogs need leashes and collars. According to the Ancient History Encyclopedia, dogs are depicted wearing leashes and collars in antiquity artwork from Rome to China. It was the Sumerians who invented the world’s most familiar dog accessories around 3300 B.C..