Test your knowledge! How much do you know about greyhounds and dog racing?This 12-question quiz has been developed in honour of rescue greyhound and artistic muse, Adam Barker. How old is the greyhound dog breed? 8,000 years 1,000 years 450 years 100 years Correct! Greyhounds are the oldest breed of domesticated dog in the world, with first confirmed records dating around 8,000 years, and evidence to the time of the Pharaohs in Ancient Egypt. Answer: 8,000 years. Greyhounds are the oldest breed of domesticated dog in the world, with first confirmed records dating around 8,000 years, and evidence to the time of the Pharaohs in Ancient Egypt.