History from the side of those it happened to
Astronomy
| Year | Country | Category | title |
|---|---|---|---|
| 25 March 1655 | Netherlands | Astronomy | Huygens discovers Titan |
| 25 March 1655 | Netherlands | Astronomy | A companion appears beside Saturn |
| 25 March 1655 | Netherlands | Astronomy | Saturn's system grows beyond its rings |
| 25 March 1655 | Netherlands | Astronomy | Instrument making helps reveal Titan |