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| Date from | Date to | Event | Source |
|---|---|---|---|
| 3.1717/18 | 4.1718 | Buckingham (70), Captain's Servant | ODNB |
| 4.1718 | 3.12.1720 | Lennox (70), Captain's Servant | ODNB |
| 11.8.1718 | Battle of Cape Passaro | ||
| 6.1721 | 6.1726 | Lyme (20), Able Seaman | ODNB |
| 30.1.1728/29 | Passed the Lieutenant's Examination ADM 107/3/192 | ODNB | |
| 29.5.1730 | Lieutenant ADM 6/14/71 | ADM 6/14 | |
| 15.6.1731 | 24.11.1731 | Lion (60), Lieutenant | ODNB |
| 24.11.1731 | Commander ADM 6/14/92 | CSORN | |
| 24.11.1731 | 12.3.1734/35 | Southampton Hulk (40), Commander and Commanding Officer ADM 6/15/92 | BWAS-1603 |
| 4.2.1736/37 | Captain ADM 6/15/50 | CSORN | |
| 4.2.1736/37 | 5.8.1740 | Diamond (40), Captain and Commanding Officer ADM 6/15/50 | BWAS-1603 |
| 3.1739/40 | 1756 | Appointed governor of the castle at Chagres to the west-south-west of Port Bello | ODNB |
| 23.3.1739/40 | Attack on Chagres | ||
| 6.1740 | Returned to England | ODNB | |
| 6.8.1740 | 15.9.1740 | Lichfield (50), Captain and Commanding Officer ADM 6/15/318 | ADM 6/15 |
| 16.9.1740 | 8.5.1742 | Weymouth (60), Captain and Commanding Officer ADM 6/16/331 | ODNB |
| 7.1.1740/41 | Action of January 7 1741 | ||
| 4.3.1740/41 | 5.1741 | Operations against Cartagena | |
| 31.8.1742 | 2.10.1743 | Suffolk (70), Captain and Commanding Officer ADM 6/16/92 | BWAS-1714 |
| 18.2.1742/43 | Commanded the British Squadron at the Attack on La Guaira | ||
| 15.4.1743 | 24.4.1743 | Commanded the British Squadron at the Attack on Porto Cabello | |
| 3.10.1743 | 3.9.1744 | Superb (60), Captain and Commanding Officer ADM 6/16/221 | BWAS-1714 |
| 8.8.1745 | 19.1.1745/46 | Devonshire (80), Captain and Commanding Officer ADM 6/16/524 | BWAS-1714 |
| 1746 | 18.10.1746 | Severn (50), as Flag Officer, Commodore | BWAS-1714 |
| 1746 | 15.7.1747 | Canterbury (60), as Flag Officer, Commodore | BWAS-1714 |
| 22.2.1745/46 | 21.6.1748 | Royal George (100), Captain and Commanding Officer ADM 6/17/66 | ADM 6/17 |
| 31.3.1746 | 5.1746 | Norwich (50), as Flag Officer, Commodore | BWAS-1714 |
| 10.8.1746 | Action of 10th Aug. 1746 | ||
| 5.1747 | 11.1747 | Norwich (50), as Flag Officer, Commodore | BWAS-1714 |
| 6.6.1747 | 1749 | Appointed Commander-in-Chief — Jamaica ADM 6/17/233 Recommissioned 12.9.1747. ADM 6/17/267. | ADM 6/19 |
| 15.7.1747 | Rear-Admiral of the White ADM 6/17/246 | CSORN | |
| 15.7.1747 | 9.5.1749 | Canterbury (60), as Flag Officer, Rear-Admiral of the White | BWAS-1714 |
| 1748 | 7.1749 | Cornwall (80), as Flag Officer, Rear-Admiral of the Red | BWAS-1714 |
| 9.4.1748 | Commander-in-Chief at the Battle of Santiago de Cuba | ||
| 9.4.1748 | Battle of Santiago de Cuba | ||
| 12.5.1748 | Rear-Admiral of the Red ADM 3/17/354 | CSORN | |
| 12.10.1748 | Battle of Havana | ||
| 28.11.1749 | 10.4.1752 | Elected a Member of Parliament for Gatton | HPO |
| 4.2.1755 | Vice-Admiral of the Blue ADM 6/18/129 | CSORN | |
| 13.11.1756 | Essex (64), as Flag Officer, Vice-Admiral of the White | BWAS-1714 | |
| 8.12.1756 | Vice-Admiral of the White ADM 6/18/331 | ADM 6/18 | |
| 2.1757 | 1.8.1757 | Neptune (90), as Flag Officer, Vice-Admiral of the Red | BWAS-1714 |
| 24.2.1757 | Vice-Admiral of the Red ADM 6/18/361 | ADM 6/18 | |
| 31.1.1758 | Admiral of the Blue ADM 6/18/480 | ADM 6/18 | |
| 10.1765 | Created 1st Baronet Knowles | ODNB | |
| 5.11.1765 | 10.1770 | Appointed Rear-Admiral of Great Britain | EWIKI |
| 22.1.1768 | Admiral of the White ADM 6/20/192 | ADM 6/20 | |
| 10.1770 | Accepted an appointment as chief of the surveying branch in the Russian navy | ODNB | |
| 10.1770 | Resigned from the Navy | ODNB | |
| 10.1770 | 1774 | In the service of Russia | ODNB |