Undated

• - A storm penetrates the narrow land mass, Agger Tange, separating Northern Jutland from the mainland Jutland for the first time since the 12th century.^{[ citation needed ]}
• The Copenhagen Art Society is founded by a circle of the most influential figures of the Danish art world during the Danish Golden Age. ^[2]

Art

• Martinus Rørbye paints the View from the Artist's Window in his parents' home at Amaliegade 45.

• 
  Martinus Rørbye: View from the Artist's Window

January–March

• 28 January – Moses Melchior, businessman (died 1912)

April–June

• 16 April – Jacob Brønnum Scavenius Estrup, politician, prime minister of Denmark (died 1913)
• 10 May – Heinrich Tønnies, photographer (died 1903)
• 20 May – Carl Christian Amussen, Utah's first jeweler (died 1902)

October–December

• 16 October – Anders Peter Westenholz, businessman and consul-general (died 1886) ^[3]
• 19 November – Jacob Kornerup, archeologist (died 1913)
• 30 November – Julius Exner, painter (died 1910)
• 24 November – Herman Løvenskiold, county governor (born 1783)