A by-election was held for the New South Wales Legislative Assembly electorate of Mudgee on 6 January 1879 because of the resignation of Sir John Robertson who was then appointed to the Legislative Council,[1] to facilitate the coalition of his supporters and those of Sir Henry Parkes to form an effective government.
[2] In March 1879 the Committee of Elections and Qualifications overturned the election of Richard Rouse and declared that David Buchanan was elected as the member for Mudgee.
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