• Monarch – Christian VIII^[1]
• Prime minister – Poul Christian Stemann

• 15 June – Klampenborg Vandkuur-, Brønd- og Søbadeanstalt, the first spa resort in Denmark, opens.^[2]

Undated edit

• Henrik Hertz writes the verse drama Kong Renés Datter

Music edit

• 22 August – Hans Christian Lumbye's Champagne Galop premières in Tivoli Gardens to mark the second anniversary of the amusement park.

• 20 May – Johan Henrik Deuntzer, prime minister (died 1918)
• 23 July – Godfred Christensen, painter (died 1928)
• 24 December – King George I of Greece (died 1913 in Greece)

January–March edit

• 24 February - Prince Frederik of Hesse, nobleman, general and governor (born 1771)
• 3 June – Joachim Melchior Magens, colonial administrator and lawyer (born 1775)

July–September edit

• 10 July - Christian Frederik Hansen, architect (born 1756)
• 21 June – Gottfried Becker (born 1767), pharmacist and industrialist (born 1767)
• 28 July – Johanna Elisabeth Dahlén, stage actress and opera singer (born 1757)
• 4 August - Jacob Holm, industrialist, ship owner and ship builder (born 1779)