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About Henry Diesen
- Henry Edward Diesen (3 April 1883 – 7 January 1953) was a Norwegian naval officer. He was born in Trondhjem as a son of telegrapher Edward Diesen (1852–1909) and Johanne Christophine Stenersen (1855–1936).
- He was a first cousin of Emil Diesen and Andreas Melchior Seip Diesen, and a first cousin once removed of Andreas’s son Ernst Diesen.He was a naval officer from 1903, graduated from the Norwegian Naval Academy in 1905 and was promoted to Premier Lieutenant in 1906.
- He worked in the merchant fleet from 1906 to 1908 and 1909 to 1911.
- From 1912 to 1913, he studied at the Berlin Institute of Technology.
- He served in the neutral Royal Norwegian Navy during World War I, and was promoted to Captain in 1917.
- His last service on a ship was as second-in-command of HNoMS Tordenskjold in 1929.He lived in Borre near Karljohansvern.
- Here he edited the newspaper Hortens Avis from 1919 to 1920 and was a member of the executive committee of Borre municipal council from 1920 to 1923.
- Since November 1907 he was married to Caroline Elisabeth Fretheim (1886–1968).From 1930 to 1936, Diesen was the second-in-command at the Navy Mining School.
- He was promoted to Commander in 1936.
- In 1937 he was appointed as chief of the Third Naval Defence District (Northern Norway), and in 1938 he became Commanding Admiral in Norway.
- He was also promoted to Rear Admiral.
- In 1940 Norway was invaded by Nazi Germany.
- Two months later, Diesen embarked the ship HNoMS Fridtjof Nansen with which he fled the country.
- The vessel left Norway on 10 June, arrived at Tórshavn, in the Faroe Islands, on 13 June and later sailed to the United Kingdom where she was made war ready.
- From now the Royal Norwegian Navy was used in the Allied warfare.
- He left his position as Commanding Admiral in August 1941, over disagreements with the government, and served in the United States until 1944.
- From 1945 to 1947 he was the chief of Marinekommando Vestlandet.He was decorated as a Commander with Star of the Royal Norwegian Order of St.
- Olav in 1939.
- He died in January 1953 in Borre.
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