Nodyn:Prif Weinidogion Prydain Fawr a'r DU

gw • sg • go Prif Weinidogion Prydain Fawr a'r Deyrnas Unedig

Teyrnas Prydain Fawr	Walpole Wilmington Pelham Newcastle Devonshire Newcastle Bute G. Grenville Rockingham Chatham (Pitt yr Hynaf) Grafton North Rockingham Shelburne Portland Pitt yr Ieuaf

Y Deyrnas Unedig	Pitt yr Ieuaf Addington Pitt yr Ieuaf W. Grenville Portland Perceval Lerpwl Canning Goderich Wellington Grey Melbourne Wellington Peel Melbourne Peel Russell Derby Aberdeen Palmerston Derby Palmerston Russell Derby Disraeli Gladstone Beaconsfield (Disraeli) Gladstone Salisbury Gladstone Salisbury Gladstone Rosebery Salisbury Balfour Campbell-Bannerman Asquith Lloyd George Law Baldwin MacDonald Baldwin MacDonald Baldwin Chamberlain Churchill Attlee Churchill Eden Macmillan Douglas-Home Wilson Heath Wilson Callaghan Thatcher Major Blair Brown Cameron May Johnson Truss Sunak Starmer