Retronaut - Brookie, the largest horse ever recorded. Acc. to Wikipedia: "The world’s largest horse was a Belgian Draft named Brooklyn Supreme, who weighed 3,200 lb (1,500 kg) and stood at 19.2 hands (1.98 m).”
The Clydesdale Horse is the pride of Scotland and is a native breed which was founded in Lanarkshire, Clydesdale being the old name for the district. The history of the breed dates back from the middle of the 18th century.