History from the side of those it happened to
On this day — October 9
| Date | Country | Category | Title |
|---|---|---|---|
| 9 October 1676 | Netherlands | Medicine | Leeuwenhoek describes tiny organisms in a letter |
| 9 October 1676 | Netherlands | Medicine | Microscope observations travel from Delft |
| 9 October 1676 | Netherlands | Medicine | Water samples reveal an unseen living world |
| 9 October 1676 | Netherlands | Medicine | A Dutch observer documents microbial life |