When Did Dogs Become Man’s Best Friend?

From a teacup-size Chihuahua to a Great Dane, there is an incredible amount of variety among dog breeds. But all breeds belong to a single species, so scientists have studied the breeds to better understand the workings of evolution.

At some point, dogs evolved to become man’s best friend? When did this take place?

YOU MIGHT ALSO LIKE:
How a century of dog breeding ruined these beautiful animals
Chinese woman save 100 dogs from chinese dog eating festival
The ugliest dogs ever
Interesting facts about dogs