1842 in Denmark

Events from the year 1842 in Denmark.

Incumbents

 * Monarch – Christian VIII
 * Prime minister – Otto Joachim, Poul Christian Stemann

Events

 * 23 July – the Hørsholm Textile Factory is established in Hørsholm.

Undated
 * The National Liberal Party is formed.
 * Jørgen Ernst Meyer establishes the nation's first lacquerware company.

January–March

 * 25 January – Vilhelm Thomsen, linguist (died 1927)
 * 4 February – Georg Brandes, critic and scholar (died 1927)
 * 27 February – Theodor Wessel, businessman (died 1905)
 * 2 March – Carl Jacobsen, brewer, industrialist and arts patron (died 1914)
 * 9 March – Vilhelm Groth, painter (died 1899)

April–June

 * 3 April – Niels Peter Bornholdt, businessman (died 1924)
 * 6 May – Emil Christian Hansen, chemist (died 1909)
 * 16 May – Gustav Adolph Hagemann, engineer and businessman (died 1916)

July–September

 * 9 July – Emil Poulsen, actor (died 1011)
 * 17 August – Hugo Egmont Hørring, politician, prime minister of Denmark (died 1909)
 * 22 August – Emilie Mundt, painter (died 1922)

October–December

 * 4 October – Carl Christoffer Georg Andræ, politician (died 1893)
 * 4 November – Otto Haslund, painter (died 1917)
 * 16 November – Hannibal Sehested, prime minister of Denmark (died 1924)

Deaths

 * 16 January – Ludvig Manthey, pharmacist, businessman and landowner (died 1769)
 * 26 June – Peter Oluf Brøndsted, archaeologist (born 1780)
 * 8 October – Christoph Ernst Friedrich Weyse, composer (born 1774)