A by-election was held for the New South Wales Legislative Assembly electorate of Murrumbidgee on 21 February 1876 because William Forster was appointed Agent-General in London.
| Date | Event | |
|---|---|---|
| 4 February 1876 | William Forster accepted appointment as Agent-General.[1] | |
| 5 February 1876 | Writ of election issued by the Speaker of the Legislative Assembly.[2] | |
| 21 February 1876 | Nominations | |
| 6 March 1876 | Polling day | |
| 20 March 1876 | Return of writ |