:For the Australian farmer George Muirhead, see Principality of Marlborough.
The principality came into being when farmer George Muirhead, facing the possibility of the repossession of his properties - Kierawonga & Indicus - by the Commonwealth Bank, challenged the legality of their bills of exchange in the Queensland Supreme Court.
Principality of Bulgaria | Marlborough | Marlborough College | Principality of Ansbach | Marlborough, Wiltshire | Marlborough Region | Principality of Lüneburg | Principality of Auersperg | Principality of Polotsk | Principality of Orange | Principality of Yaroslavl | Principality of Pereyaslavl | Principality of Calenberg | John Spencer-Churchill, 7th Duke of Marlborough | Principality of Lippe | Principality of Grubenhagen | Marlborough House | Sarah Churchill, Duchess of Marlborough | Principality of Sealand | Principality of Piombino | Principality of Kiev | Principality of Catalonia | Principality of Anhalt-Zerbst | Great Marlborough Street | Charles Spencer-Churchill, 9th Duke of Marlborough | Charles Spencer, 3rd Duke of Marlborough | West Marlborough Township | Thomas of Marlborough | Principality of Zeta | Principality of Transylvania |