1873 in Denmark

Incumbents

• Monarch – Christian IX
• Prime minister – Ludvig Holstein-Holsteinborg

  Events

• 20 April – A banquet for the Japanese diplomatic mission is held in the Børsen Building in Copenhagen.
• 5 May – The Scandinavian Monetary Union, a monetary union with Sweden, is formed, pegging the countries' currencies to each other.
• 13 May – Tuborg Brewery is founded by Carl Frederik Tietgen.
• 6 October – The equestrian statue of Frederick VII in front of Christiansborg Palace in Copenhagen is unveiled.

  Date unknown

• Magazine publisher Aller Media is founded.
• The Danish Mathematical Society is founded at the University of Copenhagen.
• Punch, an illustrated conservative satirical magazine modelled on the English Punch, is founded.

  Births

January–June

• 9 January – Hans Frederick Blichfeldt, Danish-American mathematician
• 17 January – Benedict Nordentoft, educator and cleric, co-founder of a Danish community with a Lutheran church and a folk high school in Solvang, California
• 20 January – Johannes V. Jensen, author, recipient of the Nobel Prize in Literature in 1944
• 21 January – Emilie Demant Hatt, artist, writer and ethnographer
• 5 February – William Thalbitzer, philologist, professor of Eskimo studies at the University of Copenhagen
• 12 February – Gustav Bartholin Hagen, architect
• 28 February – Johan Frederik Steffensen, mathematician, statistician and actuary, professor of actuarial science at the University of Copenhagen 1923–1943
• 14 March – Herluf Zahle, barrister with the Supreme Court, career diplomat, President of the League of Nations 1928–1929
• 19 March – Betty Nansen, actress and theatre director
• 7 April
• * Johannes Hjelmslev, mathematician, discoverer and eponym of the Hjelmslev transformation
• * Christian Nielsen, sailor, silver medalist in the 6 Metre class at the 1924 Summer Olympics
• 10 May – Palle Bruun, hydraulic engineer, designed the Port of Skagen
• 21 May – Johannes Gandil, athlete and footballer, competitor in the 100 metre event at the 1900 Summer Olympics, silver medalist in football at the 1908 Summer Olympics
• 27 May – Harald Scavenius, diplomat and politician, Minister of Foreign Affairs 1920–1922
• 30 May – Oluf Olsson, gymnast, silver medalist at the 1906 Intercalated Games, bronze medalist in the team free system event at the 1912 Summer Olympics

  July–December

• 4 July – Georges Dreyer, pathologist, professor of pathology at Oxford University 1907–1934
• 12 July – Rudolph Tegner, sculptor linked with the Symbolist movement
• 27 July – Estrid Hein, ophthalmologist and women's rights activist
• 3 August – Carl Hansen Ostenfeld, systematic botanist, professor in botany at the Royal Veterinary and Agricultural University from 1918, professor in botany at the University of Copenhagen and director of the Copenhagen Botanical Garden from 1923
• 10 August – Esther Carstensen, women's rights activist and journal editor
• 2 September – Johanne Hesbeck, photographer
• 8 October – Ejnar Hertzsprung, chemist and astronomer
• 26 October – Thorvald Stauning, politician, the first social democratic Prime Minister of Denmark, served as Prime Minister 1924–1926 and from 1929
• 4 November – Jorgen Moeller, chess master
• 2 December – Christian Steenstrup, Danish-American inventor, invented the hermetically sealed refrigeration unit
• 4 December – Henrik Malberg, theater and cinema actor

  Date unknown

• Johanne Agerskov, intermediary

  Deaths

• 25 March – Wilhelm Marstrand, painter and illustrator
• 7 November – Thomas Overskou, actor, playwright and historian
• 25 November – Hans Harder, painter and drawing master

  Date unknown

• Carl Otto Reventlow, philologist, developed a mnemonic system