| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| Caelum | Nicolas Louis de Lacaille | constellation |
| Morphy Defence | Ercole del Rio | chess opening |
| Reticulum | Nicolas Louis de Lacaille | constellation |
| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| Caelum | Nicolas Louis de Lacaille | constellation |
| Morphy Defence | Ercole del Rio | chess opening |
| Reticulum | Nicolas Louis de Lacaille | constellation |