It was on December 5th 1745, 270 years ago, that during the Jacobite Rising the Council of War at Derby presided over by Prince Charles Edward, nominal Prince of Wales and Prince Regent for his father King James III, decided, very much against the Prince's wishes, to withdraw back into Scotland.
Prince Charles Edward, by Allan Ramsay, painted at Holyrood Palace, late autumn 1745.
Collection of the Earl of Wemyss, Gosford House.
As that explains the house itself was regrettably demolished in 1854, but some of the paneling survives in Derby Museum.
Exeter House in 1853
It remains a debate about which there is debate, and leaves a great number of "What ifs" hanging in the air.