Events in October 1999
| MonMonday | TueTuesday | WedWednesday | ThuThursday | FriFriday | SatSaturday | SunSunday |
|---|
| 2727 September 1999 | 2828 September 1999 | 2929 September 1999 | 3030 September 1999 | 11 October 1999 | 22 October 1999 | 33 October 1999 |
| 44 October 1999 | 55 October 1999 | 66 October 1999 | 77 October 1999 | 88 October 1999 | 99 October 1999 | 1010 October 1999 |
| 1111 October 1999 | 1212 October 1999 | 1313 October 1999 | 1414 October 1999 | 1515 October 1999 | 1616 October 1999 | 1717 October 1999 |
| 1818 October 1999 | 1919 October 1999 | 2020 October 1999 | 2121 October 1999 | 2222 October 1999 | 2323 October 1999 | 2424 October 1999 |
| 2525 October 1999 | 2626 October 1999 | 2727 October 1999 | 2828 October 1999 | 2929 October 1999 | 3030 October 1999 | 3131 October 1999 |