The Arabian is indeed an old breed, it is considered the founder of all modern horse breeds. Its breeding lines were greatly revered on the European continent, and they were shipped all over to improve native breeds. As the Europeans brought horses over to the New World, most of them were of Arabian descent, spreading the blood through the Americas. So, yes, the Arabian is considered a very old, if not ancient, founding breed.
The Arabian is indeed an old breed, it is considered the founder of all modern horse breeds. Its breeding lines were greatly revered on the European continent, and they were shipped all over to improve native breeds. As the Europeans brought horses over to the New World, most of them were of Arabian descent, spreading the blood through the Americas. So, yes, the Arabian is considered a very old, if not ancient, founding breed.