← 1803 1802 1801 1804 in Denmark → 1805 1806 1807
Decades:	1780s 1790s 1800s 1810s 1820s
See also:	Other events of 1804 List of years in Denmark

Events from the year 1804 in Denmark.

Incumbents

• Monarch – Christian VII^[1]
• Prime minister – Christian Günther von Bernstorff

Events

• 6 October – HDMS Prinds Christian Frederik is launched from Orlogsværftet on Nyholm in Copenhagen.^[2]

Births

January–March

• 18 February – Christian Holm, painter (died 1846)
• 28 February – Carl van Dockum, naval officer (died 1893)
• 20 March – Wilhelm Bendz, painter (died 1832)

July–September

• 14 September – Niels Peter Holbech, painter (died 1889)
• 7 August – Johan Nicolai Madvig, philologist and politician (died 1886)

October–December

• 3 November – Constantin Hansen, painter (died 1880)

Deaths

January–March

• 28 March – Frederik Christian Kaas, Admiral, landowner (born 1727)

April–June

• 13 May – David Brown, merchant and Governor of Tranquebar (born 1734)
• 2 June – Cornelius Høyer, miniatures painter (born 1741)
• 26 June – Jørgen Landt, priest, botanist and author (born 1751)

July–September

• Marie Martine Bonfils, brewer
• 5 July – Jacob Baden, philologist, pedagogue, and critic (born 1735)
• 7 September – Christian Henrik Biering, clergy and writer (born 1729)

October–December

• 21 October – Poul Abraham Lehn, nobleman and landowner (born 1732)
• 24 December – Martin Vahl, naturalist (born 1749)