The RAF sank the prison ship SS Cap Arcona in this body of water, leading to the deaths of some 5,000 prisoners of war. During Roman times, this sea was named Mare Suebicum after the Suebi tribe. Fortifications such as Kronstadt were built on the mouth of the Neva River in this sea following Russian expansion in the Great Northern War. The Schmalka
The RAF sank the prison ship SS Cap Arcona in this body of water, leading to the deaths of some 5,000 prisoners of war. During Roman times, this sea was named Mare Suebicum after the Suebi tribe. Fortifications such as Kronstadt were built on the mouth of the Neva River in this sea following Russian expansion in the Great Northern War. The Schmalkaldic and Hanseatic leagues focused primarily on trade in this body of water, which is connected to the North Sea by the Kiel Canal. The Danzig Corridor gave Poland access to this sea. For 10 points, name this sea that borders Sweden, Finland, and Germany.
The RAF sank the prison ship SS Cap Arcona in this body of water, leading to the deaths of some 5,000 prisoners of war.
Baltic Sea [prompt on Gulf of Finland] 