| 1803.—July | At Washington. |
| Frames Louisiana Amendment to the Constitution. |
| 16. | Cabinet discuss Louisiana Treaty. |
| Drafts “Queries” as to Louisiana. |
| 22. | At Monticello. |
| 24. | Makes informal reply to Ward Committee of Philadelphia. |
| Appoints Monroe Minister to Great Britain. |
| Oct. 1. | At Washington. |
| 17. | Sends Third Annual Message. |
| 20. | Louisiana Treaty ratified by Senate. |
| Nov. ? | Frames rules of Public Etiquette. |
| Drafts bill for government of Louisiana. |
| 4. | Sends message on Barbary Powers. |
| 14. | Transmits information concerning Louisiana. |
| 30. | Transmits additional information concerning Louisiana. |
| Dec. 5. | Sends message on Barbary War. |
| 21. | Sends message on Spanish Claims. |
| 24. | Replies to Address of Legislature of Tennessee. |
| 1804.—Jan. 8. | Offers Monroe governorship of Louisiana. |
| 18. | Sends message on taking possession of Louisiana. |
| 26. | Called on by Burr. |
| Feb. 18. | Cabinet discussion of Louisiana boundaries. |
| Approves act organizing Louisiana and Orleans. |
| Apr. 6. | At Monticello. |
| 17. | Daughter, Mary Eppes, dies. |
| 1804.—May 1. | At Washington. |
| 26. | Cabinet settle Tripoline terms. |
| Offers Armstrong French mission. |
| Appoints Monroe Minister to Spain. |
| Aug. 7. | At Monticello. |
| Oct. 6. | At Washington. |
| 8. | Cabinet discuss Spanish affairs. |
| Drafts bill for Harbor Protection. |
| Nov. | Re-elected President of United States. |
| 8. | Sends Fourth Annual Message. |
| 19. | Nominates Bowdoin Minister to Spain. |
| 1805.—Feb. 2. | Electoral votes counted by Congress. |
| Mar. 2. | Attorney-General Lincoln resigns. |
| Robert Smith appointed Attorney-General. |
| Jacob Crowninshield appointed Secretary of Navy. |
| 3. | Approves bill for Harbor Protection. |
| 4. | Inaugurated as President. |
| 13. | At Monticello. |
| April 19. | At Washington. |
| July 4. | Prepares Notes on Armed Vessels. |
| 8. | Cabinet discuss neutral commerce. |
| 20. | At Monticello. |
| Aug. | Prepares Notes on Conduct in 1780–1. |
| Suggests alliance with Great Britain. |
| Oct. 11. | At Washington. |
| Nov. 12. | Cabinet discuss Spanish affairs. |
| 14. | Cabinet frame terms for Spain. |
| 19. | Cabinet modify Spanish terms. |
| Dec. 3. | Sends Fifth Annual Message. |
| 4. | Drafts resolutions on Spain for Congress. |
| 6. | Sends confidential message on Spain. |
| Drafts bill for a naval militia. |
| Drafts bill classifying militia. |
| Dec. 20. | John Breckenridge nominated Attorney-General. |
| 1806.—Jan. 13. | Sends message on Tripoline Affairs. |
| 17. | Sends message on Neutral Commerce. |
| Feb. 6. | Sends confidential message on Great Britain. |
| 8. | Drafts resolutions concerning Spain. |
| Warned by Daveiss of Burr’s plot. |
| 19. | Sends message on Western Exploration. |
| 24. | Aids Barlow to draft bill for a National University. |
| Drafts bill for settling Orleans territory. |
| 28. | Nominates Bowdoin and Armstrong joint commissioners to Spain. |
| 1806.—Mar. 14. | Pinkney selected by Cabinet for English mission. |
| 15? | Has interview with Burr. |
| 20. | Sends special message on Spanish Boundaries. |
| 24. | Offers Cary commissionership to Spain. |
| Sends confidential message on Great Britain. |
| 25. | Cabinet decision on Spanish affairs. |
| Apr. 19. | Writes letter to Alexander of Russia. |
| Nominates Monroe and Pinkney joint commissioners to Great Britain. |
| May 1. | Cabinet discuss Leander incident. |
| 3. | Issues Leander proclamation. |
| 10. | At Monticello. |
| June 7. | At Washington. |
| July 26. | At Monticello. |
| Oct. 4. | At Washington. |
| 22. | Cabinet discuss Burr plot. |
| 25. | Cabinet decision on Burr. |
| Nov. 8. | Orders to Wilkinson, in re Burr. |
| 27. | Issues proclamation against Burr. |
| Dec. 2. | Sends Sixth Annual Message. |
| 3. | Sends special message on Great Britain. |
| 15. | Message on distressed French prepared, but not sent. |
| 20. | Issues proclamation against Cambrian. |
| 1807.—Jan. 1. | Elected President of American Philosophical Society. |
| 6. | Burr expedition leaves Chickasaw Bluffs. |
| 7. | Great Britain adopts Orders in Council. |
| 14. | Aids Hening in preparation of Virginia statutes. |
| 16. | Randolph resolution in re Burr adopted. |
| 17. | Burr surrenders to Meade. |
| 20. | Appoints Rodney Attorney-General. |
| 22. | Sends message on Burr. |
| 23. | Senate passes bill to suspend Habeas Corpus. |
| 26. | House rejects bill to suspend Habeas Corpus. |
| 28. | Sends additional message on Burr. |
| 31. | Sends message on Cumberland Road. |
| Drafts amendment to Volunteer Bill. |
| Feb. 2. | Cabinet council on British negotiations. |
| 3. | Notifies British negotiators of disapproval of treaty. |
| 10. | Sends message on Gunboats. |
| 14. | Sends reply to Massachusetts address. |
| 19. | Spain issues commercial decree. |
| 28. | Writes to King of Holland. |
| 1807.—Feb. 28. | Burr arrested. |
| Mar. 2. | Signs bill to end slave trade. |
| 3. | British Treaty arrives. |
| 21. | Sends circular letter to State governors. |
| 30. | Burr trial begins. |
| Apr. 1. | Burr released on bail. |
| Leaves Washington. |
| Arrives at Monticello. |
| May 13. | Leaves Monticello. |
| 17. | Arrives at Washington. |
| 19. | Writes Short of his intention to refuse renomination. |
| 20. | Sends new instruction to English negotiators. |
| 29. | Receives French medal for design of mould-board. |
| June 1. | Frames tariff on French wines. |
| 13. | Subpœnaed to attend Burr trial. |
| 22. | Chesapeake frigate captured. |
| July 2. | Issues proclamation against British war-ships. |
| 4. | Cabinet agrees to call Congress. |
| Aug. 1. | Leaves Washington. |
| 5. | Arrives at Monticello. |
| Sept. 1. | Proposes to seize the Floridas. |
| Burr acquitted. |
| 9. | Leaves Monticello for Bedford. |
| 17. | Arrives at Monticello. |
| 30. | Leaves Monticello. |
| Oct. 3. | Arrives at Washington. |
| 27. | Sends Seventh Annual Message. |
| 30. | Burr trial ends. |
| Nov. 11. | Great Britain extends Orders in Council. |
| 13. | Sends reply to Society of Friends. |
| 18. | Sends reply to Baptists. |
| 23. | Sends message on Burr Trial. |
| Dec. 7. | Sends confidential message on Great Britain. |
| 10. | Sends reply to Assembly of Vermont. |
| Sends reply to Legislature of New Jersey. |
| 14. | Sends reply to Washington Society of Tammany |
| Non-importation Act goes into effect. |
| 17. | France issues supplementary decree concerning neutral commerce. |
| 18. | Sends message on Commercial Depredations. |
| 21. | Sends reply to Baptist Association. |
| 22. | Embargo Act signed. |