Olfert Fischer
Danish naval officer
title: "Olfert Fischer" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["1747-births", "1829-deaths", "18th-century-royal-dano-norwegian-navy-officers", "19th-century-royal-dano-norwegian-navy-officers", "royal-dano-norwegian-navy-admirals", "19th-century-royal-danish-navy-admirals", "danish-naval-commanders-of-the-napoleonic-wars", "danish-calvinist-and-reformed-christians"] description: "Danish naval officer" topic_path: "people/1740s" source: "https://en.wikipedia.org/wiki/Olfert_Fischer" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Danish naval officer ::
::data[format=table title="Infobox military person"]
| Field | Value |
|---|---|
| name | Olfert Fischer |
| birth_date | |
| birth_place | Copenhagen, Denmark |
| death_date | |
| death_place | Copenhagen, Denmark |
| placeofburial | Reformed Church |
| image | Olfert Fischer.jpg |
| caption | Lithograph of Olfert Fischer |
| allegiance | Denmark–Norway Denmark–Norway |
| branch | Naval Ensign of Denmark.svg Royal Dano-Norwegian Navy |
| rank | Vice admiral |
| battles | |
| relations | Olfert Fas Fischer (father) |
| :: |
| name = Olfert Fischer | honorific_suffix = | birth_name = | birth_date = | birth_place = Copenhagen, Denmark | death_date = | death_place = Copenhagen, Denmark | placeofburial = Reformed Church | image = Olfert Fischer.jpg | signature = | signature_size = | caption = Lithograph of Olfert Fischer | nickname = | allegiance = Denmark–Norway Denmark–Norway | branch = Naval Ensign of Denmark.svg Royal Dano-Norwegian Navy | serviceyears = | rank = Vice admiral | commands = | unit = | battles =
- War of the Second Coalition
- Battle of Copenhagen | awards = | relations = Olfert Fas Fischer (father) | laterwork = | spouse = | children =
Vice-Admiral Johan Olfert Fischer (4 August 1747 – 18 February 1829) was a Danish naval officer. He commanded the Dano-Norwegian fleet against British forces under Lord Nelson during the Danish defeat at Copenhagen on 2 April 1801.
Life and career
::figure[src="https://upload.wikimedia.org/wikipedia/commons/7/73/Reformert_Kirke_-_Olfert_Fischer.jpg" caption="Åbenrå]]"] ::
Johan Olfert Fischer was born in Copenhagen in 1747, the son of Vice-Admiral Olfert Fas Fischer whom he followed to a naval career. While still a young man, his rise through the military ranks was set back and almost destroyed in an incident with a prostitute while he was on guard duty on the island of Holmen off Copenhagen. The prostitute compounded Fischer's disgrace by accusing him of violent assault and her charges were believed by a military court: Fischer, then a lieutenant, was punished and demoted back to common seaman for a period of one year.
By 1784, however, Fischer had rebuilt his reputation enough to be promoted to captain, and he was dispatched to the West Indies as commander of the warship Bornholme.
Battle of Copenhagen
Main article: Battle of Copenhagen (1801)
By 1801, Fischer had risen to the rank of commodore and was appointed to lead the critical naval defense of Copenhagen during the French Revolutionary Wars. Aboard his flagship Dannebrog, he attempted to organize a comprehensive defense with which to face Nelson's fleet. The Dannebrog, however, caught fire early in the battle and Fischer was forced to transfer his command, first to a different ship and then, when that ship was crippled also, to a shore-based battery. Under these circumstances, Fischer had little control over the situation. Though the Danish fleet fought a spirited battle, the much larger British force eventually overwhelmed the Danish fleet. Recent histories have posited the difficulty of battle communications and a cumbersome Danish chain of command as reasons for the British victory in the battle."
Later life
Fischer, who was wounded in the battle, was praised as a national hero and bemedaled by the Danish crown for his bravery. Nelson himself, who had at that time been involved in over a hundred actions, pronounced that the battle was the fiercest he had ever fought.
Fischer remained with the navy and was elevated to the rank of Vice Admiral.
Legacy
Although some contemporary scholars have criticized Fischer's reputation and minimized his significance, It was first laid down at Copenhagen in 1900 and commissioned to service in 1903. The vessel took part in the coronation celebrations of King George V in June 1911, representing Denmark at the naval ceremonies in Spithead. The modern Olfert Fischer (F355) is a of the RDN, commissioned to service in 1981. In addition to coastal duties, this ship served among allied forces in the Persian Gulf during the conflicts of 1990 and 2003.
Fischer is commemorated in the composition The Hope by Frederik Magle which was commissioned by the Admiral Danish Fleet and the Reformed Church in Copenhagen. The Hope was premiered on 1 and 2 April 2001, marking the 200th anniversary of the battle of Copenhagen.
References
References
- Spencer Tucker. (11 November 2010). "Battles That Changed History: An Encyclopedia of World Conflict". ABC-CLIO.
- Colin White. (2002). "The Nelson encyclopedia". Stackpole Books.
- (1953). "Kommentar og personregister til Knud Lyne Rahbeks Erindringer". Aalborg.
- Sørensen, Irene Berg. (July 2025). "Olfert Fischers eftermæle til debat". Jyllands Posten (JP.dk).
- Nicholas Tracy. (1996). "Nelson's battles: the art of victory in the age of sail". Naval Institute Press.
- Johnny E. Balsved. (2009). "Fischer, J. Olfert". NavalHistory.DK.
- Henry Smith Williams. (1904). "The Historians' History of the World: Vol. XVI". The Outlook Company.
- (1906). "The Statesman's year-book". St. Martin's Press.
- Antony Preston. (1972). "Battleships of World War I: an illustrated encyclopedia of the battleships of all nations, 1914-1918". Galahad Books.
- (2011). "The Danish Fleet, 1860–1990". Royal Danish Naval Museum.
- (Staff). (25 June 1911). "King Reviews 188 Warships; Magnificent Scene at Spithead". The New York Times.
- (1994). "Jane's fighting ships". Sampson Low, Marston and Co..
- (1991). "Warship International". International Naval Research Organization.
- Johnny E. Balsved. (2009). "Operation Iraqi Freedom (2003)". NavalHistory.DK.
- (29 March 2001). "Værk for Olfert Fischer". Kristeligt Dagblad.
- "The Hope". magle.dk.
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