Tapperheten (English: Valour) was a Swedish ship of the line designed by Fredrik Henrik af Chapman and built at the Karlskrona Naval Shipyard. She was laid down on 31 August 1785 and launched on 21 October that year. As the tenth ship in a series modeled after the prototype Wasa, she was a two-decker armed with 64 guns.
Construction She measured 167 Swedish feet (approximately ) in length and 45.9 feet () in beam.Swedish Maritime Museums Database
Service history The ship participated in several major battles during the Russo-Swedish War (1788–1790), including: Battle of Öland (1789) Battle of Reval Vyborg Bay escape
On 21 May 1790, she ran aground and had to jettison her lower deck guns to be refloated. Other warships in the fleet later donated replacement guns.Jan af Sillén’s Diary, 1790
She later served during the Finnish War (1808–1809), including a blockade of the port of Slite beginning on 12 May 1808 during the Russian occupation of Gotland. In 1809, she was reassigned as a blockship in Karlskrona.
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