The Battle of Lyngør was a naval action fought between Denmark-Norway and the United Kingdom in 1812 on the southern coast of Norway. The battle ended in a Dano-Norwegian defeat, and marked the end of the Kingdom of Denmark-Norway's involvement in the Napoleonic Wars.
HDMS Najaden was a frigate of the Royal Dano-Norwegian Navy, which she served from 1796 until the British captured her in 1807. While in Dano-Norwegian service she participated in an action at Tripoli, North Africa. She served the Royal Navy as the fifth rate HMS Nyaden from 1808 until 1812 when she was broken up. During her brief British service she participated in some small attacks in the Barents Sea during the Anglo-Russian War.
The history of the Danish navy began with the founding of a joint Dano-Norwegian navy on 10 August 1510, when King John appointed his vassal Henrik Krummedige to become "chief captain and head of all our captains, men and servants whom we now have appointed and ordered to be at sea".
HMS Dictator was a 64-gun third-rate ship of the line of the Royal Navy, launched on 6 January 1783 at Limehouse. She was converted into a troopship in 1798, and broken up in 1817.
The action of 22 June 1803 was a naval battle between the United States Navy and the Tripolitan Navy during the First Barbary War. Two ships from the American squadron blockading Tripoli, USS John Adams and USS Enterprise, met and engaged a Tripolitan polacre along with nine gunboats. After fighting a sharp action for forty five minutes the gunboats veered off and the polacre was abandoned. The Tripolitians later retook the polacre and were reengaged by the Americans before the vessel was destroyed in a large explosion.
HDMS Sarpen was a brig of the Royal Dano-Norwegian Navy, in which she served from 1791 until the British seized her in 1807. While in Dano-Norwegian service she participated in an indecisive action at Tripoli, North Africa. She served the Royal Navy as HMS Sarpen from 1808 until 1811 when she was broken up. During her brief British service she participated in the Walcheren Expedition. Her name is that of a waterfall on the Norwegian river Glomma.
Steen Andersen Bille, was a Danish vice-admiral and minister for the navy. He was famous for his service in the Danish Royal Navy, particularly during the First Schleswig War, 1848–1851.
Hans Peter Holm was a Danish naval officer who commanded vessels of the Dano-Norwegian Navy in several actions. He commanded several naval vessels during the Gunboat War. His most important action occurred in 1812 at the Battle of Lyngør when a British squadron, led by the British ship-of-the-line HMS Dictator, destroyed his vessel, HDMS Najaden. Holm sustained wounds in the battle but survived, only to drown in an accident shortly afterwards.
Steen Andersen Bille (1751–1833) was a Danish naval officer and a member of the Bille family. He rose to the rank of admiral and became a Privy Counselor during the period of Denmark's policy of "armed neutrality" following the Gunboat War. He was instrumental in the rebuilding of the Danish Navy after 1814.
HDMS Lolland was launched in March 1810. She served in at least four major engagements during the Gunboat War before she was transferred to the Norwegian navy after the Treaty of Kiel brought about the separation of Norway from Denmark in 1814. Lolland continued to serve with the Norwegian Navy until sold in 1847.
Lorentz Fisker (1753–1819) was a Danish naval officer who charted the waters of southern Norway and the Kattegat, and organised Norwegian defences against Britain and Sweden.
HDMS Allart, a brig launched at Copenhagen in June 1807, was amongst the ships taken by the British after the second Battle of Copenhagen. In British service, she was recaptured by Danish-Norwegian gunboats after venturing too close inshore. Her subsequent service was in the Dano-Norwegian Navy's Norwegian Brig Division, which harried enemy frigates and convoys in Norwegian waters. In 1812, she was captained by Ulrich Anton Schønheyder. His father was after the mother's death married to Joachime Catharine Benzon (1757-1836). On the separation of Denmark from Norway in 1814, Allart transferred to the Norwegian navy, who sold her in 1825.
Henrik Lorentz Fisker was a successful naval officer in the service of Denmark. He was the son of an attorney at the supreme court, and deputy mayor of Copenhagen. From the age of thirteen as a cadet in the Danish-Norwegian navy, he rose through the ranks to vice admiral in 1775 and full admiral in 1790. He died 20 June 1797 and was buried in the Holmens Kirkegård, the Danish naval cemetery, in Copenhagen.
Frantz Christopher Henrik Hohlenberg was a Danish naval officer who specialised in ship design and had little seagoing experience. He succeeded Ernst Wilhelm Stibolt as Master Shipbuilder (fabriksmester) at the Royal Danish Dockyards in 1796. His ships included five ships of the line and 18 frigates. Three of the ships of the line and nine of the frigates were captured at the 1807 Battle of Copenhagen and subsequently added to the Royal Navy. He resigned after a controversy in 1803.
Daniel Ernst Bille was a naval officer and rear admiral in the service of the Danish crown.
HDMS Nidelven was a brig launched at Copenhagen on 1 December 1792. She was present at both British attacks on Copenhagen, and the British Royal Navy seized her at Copenhagen on 7 September 1807 at the surrender of Copenhagen. The British took her into service as HMS Nid Elven. She served between 1808 and 1809, during which time she captured a small French privateer. She was laid up in 1809. The Navy sold her in 1814.
HDMS Triton was a Danish frigate launched in 1790 which operated in Danish/Norwegian home waters and in the Mediterranean in the protection of Danish merchant ships - not only from Barbary pirates but also from potential British privateers. The period in which it operated was fraught with political and practical difficulties which led to two battles at Copenhagen and other, lesser, actions.
HDMS Justitia was a Royal Dano-Norwegian Navy ship-of-the-line, built to a design by Henrik Gerner. Although launched in 1777, she was not fully commissioned until 1780. The British Royal Navy seized her in 1807, together with the rest of the Danish fleet after the second battle of Copenhagen. The British never commissioned Justitia. A renaming to Orford in 1809 was cancelled. She was broken up in 1817.
Edouard Suenson (1805-1887) was a Danish vice admiral known for his participation in the First and Second Schleswig War, and served as the main Danish commander at the Battle of Heligoland in the latter.
HDMS Thetis was a frigate of the Royal Dano-Norwegian Navy, which she served from 1790 to 1850. She is remembered as the ship that carried a young Bertel Thorvaldsen to Malta in 1796. The sculptor ended up living and working in Rome the next more than forty years. He created a large number of small portrait drawings of the officers on board the ship.
Denmark–Norway 
Tripolitania 
Steen Bille