Which fortress that controlled the entranceway between Kattegat and Øresund was in "Hamlet"?
Kärnan Kärnan (] ; Danish: "Kernen" , both literally "The Core") is a medieval tower in Helsingborg, Scania, in southern Sweden. It is the only part remaining of a larger Danish fortress which, along with the fortress Kronborg on the opposite of Øresund, controlled the entranceway between Kattegat and Øresund and further south the Baltic Sea.
Filtvet Lighthouse Filtvet Lighthouse (Norwegian: "Filtvet fyr" ) is a coastal lighthouse in the municipality of Hurum in Buskerud, Norway. It was first established in 1840, and was replaced by a light in 1985. It was listed as a protected site in 1997.