• Monarch – Frederick VII^[1]
• Prime minister – Anders Sandøe Ørsted (until 12 December), Peter Georg Bang

• 2 May Realskolen for Frederiksberg og Vesterbro (later Schneekloths Skole) is founded.
• 26 July – The Cabinet of Ørsted adopts a helstatsforfatning.
• 12 December – The Cabinet of Bang-Scheel is formed.
• 18 December – A large National Liberal demonstration takes place in Copenhagen.

Undated edit

• Lumskebugten opens at Nordre Toldbod in Copenhagen.
• Sophus Berendsen establishes as wholesaler of iron and glass for the construction industry in Copenhagen (later developing into Berendsen).^[2]
• Arent Nicolai Dragsted establishes his own goldsmith's workshop on Bredgade in Copenhagen.
• The company Frichs is founded by Søren Frich in Aarhus.
• Lauritz Rasmussen establishes a zinc and bronze foundry at Åbenrå 24 in Copenhagen.

• 26 January – Hans Kaarsberg, writer (died 1929)
• 27 June – Niels Neergaard, politician (died 1936)
• 15 August – L. A. Ring, painter (died 1933)

• 30 January – Jacob Peter Mynster, theologian and bishop (born 1775)
• 23 March – Johannes Søbøtker, merchant, plantation owner and governor (born 1777)
• 9 July – Marie Toft, landowner (born 1813)
• 3 August – Jacob Holm, businessman (born 1770)
• 29 November – Poul Sporon, lawyer, (born 1795)