Einstein, The World's Smallest Miniature Horse

Miniature Horse Club Great Britain (MHCGB) is able to register and issue passports to miniature horses with 50% or more American blood, at least one parent must be registered with the AMHA.
The UK American Miniature Horse Society (UKAMHS) is the only miniature horse organisation in Great Britain run specifically for American Miniature Horses. The UKAMHS is affiliated to the American Miniature Horse Association (AMHA).