I conceive that the Duke of Brunswick is as much fighting the Battle of the Crown of England as the Duke of Cumberland did at Culloden.
Source, in full
Letter to the Foreign Secretary, Lord Grenville (18 August 1792) during the War of the First Coalition against the French Republic, quoted in P. J. Marshall and John A. Woods (eds.), The Correspondence of Edmund Burke, Volume VII: January 1792–August 1794 (1968), p. 177