Sinking the outdated Norwegian coastal defence ships Norge and Eidsvold with great loss of life and bluffing the Norwegian land forces into surrender.
HNoMS Norge | HNoMS ''Vigra'' | HNoMS Vigra | HNoMS Start | HNoMS Olav Tryggvason | HNoMS Eidsvold | ''Eidsvold'' | HNoMS Valkyrjen | HNoMS ''Olav Tryggvason'' | HNoMS ''Norge'' | Eidsvold | Bjørnson's coffin during transfer to Norway on the ''HNoMS Norge |