| Date | Events | Whereabouts | Works |
|---|---|---|---|
| 1803 | Briseis and Achilles, A490. | ||
| Beginning of 1803 | Herman Schubart arrives in Rome and meets Thorvaldsen, probably through Georg Zoëga. | ||
| 28.1.1803 | The clay model for Jason with the Golden Fleece is almost done. The model is seen by Friederike Brun, who then finances the original plaster cast, A52. | ||
| Presumably 19.3.1803 - 1815 | Studio at 30 Vicolo della Catena, Piazza Barberini, Rome. | ||
| 19.3.1803 | Celebrating the making of the plaster cast of Jason with the Golden Fleece, A52. Thorvaldsen is crowned with a laurel wreath by Ida Brun. | ||
| Not earlier than 19.3. - not later than 21.3.1803 | Thomas Hope sees Jason with the Golden Fleece, A52, in the studio and commissions a marble version of the statue, A822. | ||
| Not earlier than 19.3. - not later than 21.3.1803 | Thorvaldsen’s return to Denmark is temporarily postponed due to Thomas Hope’s commission for Jason with the Golden Fleece, A52, in marble, A822. | ||
| 23.3.1803 | Thorvaldsen receives the first part of the payment for Jason with the Golden Fleece, A822 from Thomas Hope. | ||
| 23.3.1803 - August 1803 | Finelli & Keller begin work on Jason with the Golden Fleece, A822. | ||
| 23.3.1803 - August 1803 | Makes a contract with the sculptors Finelli & Keller for the delivery of a block of marble and the execution of the rough carving of Jason with the Golden Fleece, A822. | ||
| 3.4.1803 | Meets Friederike and Ida Brun in the Villa Borghese gardens. Asks Ida to perform artistic poses (attitudes) with the words “oh! just some poses” (“o kuns nogle Stillinger!”). | ||
| 13.5.1803 | Attends the farewell party for Friederike Brun in the company of many Roman notabilities. | ||
| Summer 1803 | Thorvaldsen is taken ill. | ||
| Summer 1803 | Spends the summer in Albano, probably in the company of Anna Maria Uhden. | ||
| 10.6.1803 | Friederike and Ida Brun leave Rome. | ||
| Presumably September 1803 | Returns to Rome from his summer stay at Albano. | ||
| November 1803 | Herman Schubart encourages his sister Charlotte Schimmelmann to promote Thorvaldsen’s cause in Copenhagen. | ||
| Presumably November 1803 - January 1804 | Meets Adam Gottlob Detlef Moltke. | ||
| November 1803 - January 1804 | Adam Gottlob Detlef Moltke, A212. | ||
| November 1803 - January 1804 | Ivan Vorontsov?, A302. | ||
| November 1803 - January 1804 | Jevdokija Ivanovna Golitsyna, cf. A304. | ||
| Winter 1803 - 1804 | Meets the Russian Countess Irina Vorontsova in Rome. |