History from the side of those it happened to
On this day — September 7
| Date | Country | Category | Title |
|---|---|---|---|
| 7 September 1915 | Japan | Mathematics | Kiyosi Itô is born |
| 7 September 1915 | Japan | Mathematics | Itô integration gives meaning to random differentials |
| 7 September 1915 | Japan | Mathematics | Itô's lemma becomes a central computational rule |
| 7 September 1915 | Japan | Mathematics | Japanese research develops under wartime hardship |