| date | entity | event | name |
|---|---|---|---|
| 19/09/ | eruption | date | Mount Mulligan mine disaster |
| 03/09/2007 - 19/09/2007 | fire | date | Moonlight Fire |
| 15/08/2015 - 19/09/2015 | fire | date | Okanogan Complex Fire |
| 19/09/2011 | operating system | date released | Pardus (operating system) |
| 19/09/2002 | operating system | date released | OS2000 |