Events from the year 1884 in Denmark.

Incumbents
 Monarch – Christian IX
 Prime minister – J. B. S. Estrup

Events

 31 May – The Tommerup–Assens railway line opens on Funen.
 25 June – The 1884Danish Folketing election takes place.
 10–16 August – The 8th International Medical Congress opens in Copenhagen. The participants include Peter Ludvig Panum (President), Louis Pasteur, Rudolf Ludwig Virchow and James Paget.
 3 October – The fire of the 2nd Christiansborg Palace begins.

Births

JanuaryMarch
 4 January  Harald Christensen, wrestler (died 1959)
 9 April – Peter Andersen, gymnast (died 1954)
 18 March – Oluf Høst, painter (died 1966)

AprilJune
 14 May – Erik Magnussen, silversmith (died 1861 in the United States)
 28 May – Harald Krenchel, fencer (died 1922)
 30 June – Svend Rindomm screenwriter and actor (died 1960)

JulySeptember
 30 September – Carl Pedersen, rower (died 1968)

OctoberDecember
 6 November  Elisabeth Neckelmann, painter (died 1956)
 16 December – Jonathan Leunbach, doctor (died 1955)

Deaths
 18 June  Sophus Berendsen, businessman (born 1829)
 9 August – Annestine Beyer, reform pedagogue and pioneer on women's education (born 1795)
 21 November  Elisabeth Neckelmann, painter (born 1883)
 19 December  Alfred Benzon, pharmacist and industrialist (born 1823)

References

 
1880s in Denmark
Denmark
Years of the 19th century in Denmark