Russo-Swedish War
1741–1743
The Russo-Swedish War of 1741–1743 was instigated by the Hats, a Swedish political party that aspired to regain the territories lost to Russia during the Great Northern War, and by French diplomacy, ... Wikipedia
Start date: 1741
Location: Finland under Swedish rule
Territorial changes: Russia aquires the land east of the Kymi River with the fortress of Olavinlinna and the towns of Lappeenranta and Hamina