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| Date from | Date to | Event | Source |
|---|---|---|---|
| 21.1.1748/49 | 27.7.1749 | Centurion (50), Midshipman ADM 107/4/244 | ADM 107/4 |
| 28.7.1749 | 4.10.1752 | Centurion (50), Able Seaman ADM 107/4/244 | ADM 107/4 |
| 4.10.1752 | Passed the Lieutenant's Examination ADM 107/4/244 | RNLPC | |
| 4.10.1752 | Passed the Lieutenant's exam | WWNH | |
| 10.1.1755 | Lieutenant ADM 6/18/230 | CSORN | |
| 21.9.1759 | Commander ADM 6/19/96 | CSORN | |
| 21.9.1759 | 25.2.1761 | Royal Exchange (22), Commander and Commanding Officer ADM 6/19/96 | WWNH |
| 25.2.1761 | Captain ADM 6/19/287 | CSORN | |
| 25.2.1761 | 12.7.1764 | Valiant (74), Captain and Commanding Officer ADM 6/19/287 | BWAS-1714 |
| 29.3.1761 | 11.6.1761 | Expedition against Belle-Isle | |
| 6.6.1762 | 13.8.1762 | Operations against Havana | |
| 12.5.1778 | 8.12.1778 | Suffolk (74), Captain and Commanding Officer ADM 6/21/403 | BWAS-1714 |
| 8.12.1778 | 20.9.1780 | Monarch (74), Captain and Commanding Officer ADM 6/21/485 | BWAS-1714 |
| 8.1.1780 | Attack on the Caracas Convoy | ||
| 16.1.1780 | Battle of Cape St. Vincent | ||
| 11.4.1782 | 23.12.1782 | Blenheim (90), Captain and Commanding Officer ADM 6/22/449 | BWAS-1714 |
| 20.10.1782 | Battle of Cape Spartel | ||
| 15.1.1783 | 1.4.1783 | Foudroyant (80), Captain and Commanding Officer ADM 6/23/8 | ADM 6/22 |
| 2.4.1783 | 9.8.1786 | Edgar (74), Captain and Commanding Officer ADM 6/23/44 | BWAS-1714 |
| 24.9.1787 | Rear-Admiral of the Blue ADM 6/23/417 | CSORN | |
| 21.9.1790 | Rear-Admiral of the White ADM 6/24/68 | ADM 6/24 | |
| 1.2.1793 | Vice-Admiral of the Blue ADM 6/24/201 | CSORN | |
| 12.4.1794 | Vice-Admiral of the White ADM 6/25/30 | ADM 6/25 | |
| 11.10.1794 | 8.1795 | Prince George (98), as Flag Officer, Vice-Admiral of the Blue | BWAS-1714 |
| 11.3.1795 | 1799 | Appointed Commander-in-Chief — North Sea ADM 6/25/150 | ADM 6/25 |
| 6.1795 | 11.1797 | Venerable (74), as Flag Officer, Admiral of the Blue | BWAS-1714 |
| 1.6.1795 | Admiral of the Blue ADM 6/25/178 | CSORN | |
| 23.6.1795 | Action of Ile Groix | ||
| 11.10.1797 | Commander-in-Chief at the Battle of Camperdown | ||
| 11.10.1797 | Battle of Camperdown | ||
| 21.10.1797 | Created 1st Baron Duncan of Lundie | WWNH | |
| 21.10.1797 | Appointed 1st Viscount Duncan of Camperdown | WWNH | |
| 4.1798 | 1802 | Kent (74), as Flag Officer, Admiral of the Blue | BWAS-1793 |
| 8.1798 | Belliqueux (64), as Flag Officer, Admiral of the Blue | BWAS-1714 | |
| 14.2.1799 | Admiral of the White | CSORN |