History from the side of those it happened to
Astronomy
| Date | Country | Category | Title |
|---|---|---|---|
| 10 October 1846 | United Kingdom | Astronomy | Lassell discovers Triton |
| 10 October 1846 | United Kingdom | Astronomy | Neptune gains its first known satellite |
| 10 October 1846 | United Kingdom | Astronomy | Triton appears in an early Neptune search |
| 10 October 1846 | United Kingdom | Astronomy | A distant moon broadens planetary astronomy |