Drøbak Sound
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The Drøbak Sound is a sound at the Oslofjord narrows between Drøbak and Hurum. "Outer Oslofjord" is a term for the fjord south of the Drøbak Sound until it meets the Skagerrak. "Inner Oslofjord" is a
Drøbak Sound with Oscarsborg Fortress, seen from the east side of the Oslofjord
Battle of Drøbak Sound
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The Battle of Drøbak Sound took place in Drøbak Sound, the northernmost part of the outer Oslofjord in south-eastern Norway, on 9 April 1940. It marked the end of the "Phoney War" and the beginning of
Drøbak Sound
…Drøbak Sound was historically guarded by the Oscarsborg Fortress. During the German invasion of Norway on 9 April 1940, the German cruiser Blücher was sunk by the fortress. Oscarsborg Fortress has been converted into a museum and hotel, and there is a ferry to the fortress from Drøbak. The subsea Oslofjord Tunnel at the…
Blücher sinking in the Oslofjord
Oberst (Colonel) Birger Eriksen, the commander of Oscarsborg, 9 April 1940
One of the three 28 cm (11.0 in) main battery guns at Oscarsborg
Blücher on fire and sinking in Drøbak Sound