| 1803. | |
| January 18. | Instructs extraordinary mission to treat with France and Spain. |
| January 29. | Makes friendly overtures to England. |
| March 2. | Proposes plan for territorial cession from France to the United States. |
| April 18. | Discusses alliance with Great Britain against France. |
| July 14. | Receives treaty of cession of Louisiana. |
| December 20. | Formally receives Louisiana territory from France. |
| 1804. | |
| January 5. | Sends plan of proposed convention with Great Britain. |
| March 31. | Claims Louisiana extends east to River Perdido. |
| April 15. | Proposes convention of territorial cession with Spain. |
| July 20. | Instructs protest against British outrages. |
| 1805. | |
| April 12. | Argues for rights of trade of neutrals in time of war. |
| 1806. | |
| March 13. | Proposes convention with Spain. |
| May 17. | Forms extraordinary mission to England. |
| December. | Publishes examination into the British Doctrine with respect to neutral trade. |
| 1807. | |
| May 20. | States objections to Monroe treaty. |
| July 6. | Orders protest for attack of the Leopard on the Chesapeake. |
| July 15. | Announces probability of war. |
| December 23. | Announces laying of an embargo on vessels. |