A by-election was held for the New South Wales Legislative Assembly electorate of The Williams on 16 February 1860 because Stephen Dark resigned.[1]
| Date | Event | |
|---|---|---|
| 25 January 1860 | Stephen Dark resigned. | |
| Writ of election issued by the Speaker of the Legislative Assembly.[2] | ||
| 9 February 1860 | Nominations at Dungog.[3] | |
| 16 February 1860 | Polling day.[4] [5] | |
| 23 February 1860 | Return of writ |