phar lap
Apparently the most famous breed of horse is the beautiful Arab.
The most famous Quarterhorse halter horse is probably "Impressive"
it is the name of a famous race horse. A movie was made about this horse.
the Clydesdale
secretariat
Secretariat/Red
Thoroughbred horse
Thoroughbreds are one famous breed from England.
Pegasus. the most famous winged horse in mythology
That really depends on where you're from and where you live. In North America, likely the most famous breed of horse would be the American Mustang, followed by the American Quarter Horse. In the Middle East, the most famous breed would be the Arabian horse.
Kentucky