Come and ask, answer or inform.
| Date from | Date to | Event | Source |
|---|---|---|---|
| 1751 | Messier entered the employ of Joseph Nicolas Delisle , the astronomer of the French Navy . | E-WIKI | |
| 6.5.1753 | Messier's first documented observation was that of the Mercury Transit of 6 May 1753, followed by his observations journals at Cluny Hotel and at the French Navy observatories . | E-WIKI | |
| 14.5.1767 | 28.8.1767 | L'Aurore (6)
1767-1769 , as a passengerFrench 6 Gun Other Corvette 1768 Renamed "Petite Aurore" | E-WIKI |
| 1769 | Appointed Member of the Royal Swedish Academy of Sciences as a foreigner | E-WIKI | |
| 1778 | Appointed Membre de l'Académie Royale des Sciences | FWIKI | |
| 1806 | Appointed Chevalier de Ordre Royal de la Légion d'Honneur | FWIKI | |
| aft.1806 | In return of the Legion Cross , Messier wrote a memoir devoting the great comet of 1769 to the Emperor Napoleon , born that year , which earned him criticism in the scientific community . | FWIKI |