| Prime Minister | Conservative or Not? |
|---|
| Sir Robert Peel | |
| Archibald Primrose (5th Earl of Rosebury) | |
| Sir Anthony Eden | |
| Arthur Balfour | |
| Margaret Thatcher | |
| Stanley Baldwin | |
| William Lamb (2nd Viscount Melbourne) | |
| Herbert Asquith | |
| Harold Wilson | |
| Winston Churchill | |
| David Cameron | |
| Benjamin Disraeli | |
| Neville Chamberlain | |
| Tony Blair | |
| Robert Gascoyne-Cecil (3rd Marquess of Salisbury) | |
| Stanley Baldwin | |
| Ramsey MacDonald | |
| Neville Chamberlain | |
| Winston Churchill | |
| Clement Attlee | |
| Sir Anthony Eden | |
| Harold Macmillan | |
| Sir Alec Douglas-Home | |
| Harold Wilson | |
| Edward Heath | |
| James Callaghan | |
| Margaret Thatcher | |
| John Major | |
| Tony Blair | |
| Gordon Brown | |
| David Cameron | |
| Sir Robert Peel | |
| William Lamb (2nd Viscount Melbourne) | |
| Lord John Russell | |
| Edward Smith-Stanley (14th Earl of Derby) | |
| George Hamilton-Gordon (4th Earl of Aberdeen) | |
| Henry John Temple (3rd Viscount of Palmerston) | |
| Benjamin Disraeli | |
| Robert Gascoyne-Cecil (3rd Marquess of Salisbury) | |
| Archibald Primrose (5th Earl of Rosebury) | |
| Sir Henry Campbell-Bannerman | |
| Arthur Balfour | |
| Herbert Asquith | |
| David Lloyd George | |
| William Gladstone | |
| Andrew Bonar Law | |
U.S. Presidents 
Famous Wars 
Original 13 Colonies
