Afghan Hound: Very Little is known about its origin .But It is pictured in the caves of northern Afghanistan more than 4000 years ago. The breed was kept pure for centuries. Xoloitzcuintli: The Xoloitzcuintli is a hairless Mexican dog that is so primitive that it was actually worshiped by the Aztecs Peruvian Inca Orchid: The breed is actually a lot older and the breed appeared in Peruvian artwork from as far back as 750 A Norwegian Lundehund: The breed almost went extinct By the 1900s, the only population survived was in a small village of Monstad Chinese Shar Pei: The Chinese Shar-Pei originated in Tai Li in Kwantung province, and has existed for centuries in the Han dynasty existed in 200 BC Watch full video to find out more oldest known dog breeds, some of which are the longest living breeds on earth.