Battle of Gangut
1714 CE.
Shown on the map at 59.937°, 23.082°.
The Battle of Gangut (Russian: Гангутское сражение; Finnish: Riilahden taistelu; Finland Swedish: Slaget vid Rilax; Swedish: Sjöslaget vid Hangö udd) took place on 27 JulyJul./ 7 August 1714Greg. during the Great Northern War (1700–1721), in the waters of Riilahti Bay, north of the Hanko Peninsula, near the site of the modern-day city of Hanko (Hangö), Finland, between the Swedish Navy and Imperial Russian Navy. It was the first important victory of the Russian fleet in its history. It is commemorated in Russia as one of the Days of Military Honour.
Text from the Wikipedia article Battle of Gangut, licensed CC BY-SA 4.0.