7 Jan 1905

China
  • Vice Admiral Chikataka Tamari was named the chief of staff of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
6 Feb 1905

China
  • Admiral Baron Yahachi Shibayama was named the commanding officer of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
2 Feb 1906

China
  • Admiral Baron Sotaro Misu succeeded Admiral Baron Yahachi Shibayama as the commanding officer of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
22 Nov 1906

China
  • Vice Admiral Baron Masaaki Hashimoto succeeded Admiral Baron Sotaro Misu as the commanding officer of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Rear Admiral Tomokazu Takigawa was named Hashimoto's chief of staff. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
28 Aug 1908

China
  • Vice Admiral Baron Sadayasu Tomioka succeeded Vice Admiral Baron Masaaki Hashimoto as the commanding officer of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Vice Admiral Yasutaro Egashira was named Tomioka's chief of staff. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Dec 1909

China
  • Rear Admiral Genzaburo Ogi replaced Vice Admiral Yasutaro Egashira as the chief of staff of Vice Admiral Baron Sadayasu Tomioka (Ryojun Naval District, northeastern China). ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Dec 1910

China
  • Vice Admiral Hikohachi Yamada succeeded Vice Admiral Baron Sadayasu Tomioka as the commanding officer of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Vice Admiral Tadamichi Kamaya was named Yamada's chief of staff. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Dec 1911

China
  • Rear Admiral Sukeshiro Hanabusa replaced Vice Admiral Tadamichi Kamaya as the chief of staff of Vice Admiral Hikohachi Yamada (Ryojun Naval District, northeastern China). ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
6 Dec 1911

China
  • Rear Admiral Yoshimoto Shoji replaced Rear Admiral Sukeshiro Hanabusa as the chief of staff of Vice Admiral Hikohachi Yamada (Ryojun Naval District, northeastern China). ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Dec 1912

China
  • Vice Admiral Hajime Sakamoto succeeded Vice Admiral Hikohachi Yamada as the commanding officer of the Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Rear Admiral Sadaichi Hiraoka was named Sakamoto's chief of staff. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
14 Mar 1914

China
  • The Japanese-controlled Ryojun Naval District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China was downgraded to a third echelon military port. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Apr 1914

China
  • Vice Admiral Reijiro Kawashima succeeded Vice Admiral Hajime Sakamoto as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
8 May 1914

China
13 Dec 1915

China
  • Vice Admiral Takeshi Takarabe succeeded Vice Admiral Reijiro Kawashima as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
11 May 1916

China
1 Dec 1916

China
  • Admiral Teijiro Kuroi succeeded Vice Admiral Takeshi Takarabe as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
12 Feb 1918

China
1 Dec 1918

China
  • Vice Admiral Tatsuo Matsumura succeeded Admiral Teijiro Kuroi as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Oct 1920

China
  • Vice Admiral Naoe Nakano succeeded Vice Admiral Tatsuo Matsumura as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
20 Nov 1920

China
1 Dec 1921

China
  • Vice Admiral Kesataro Kawahara succeeded Vice Admiral Naoe Nakano as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Apr 1922

China
4 Jul 1922

China
1 Dec 1922

China
  • The Japanese-controlled Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China was decommissioned from service. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
10 Dec 1922

China
  • Vice Admiral Kesataro Kawahara stepped down as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
20 Apr 1933

China
  • Vice Admiral Shizue Tsuda was named the commanding officer of the newly recommissioned Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Rear Admiral Hisoharu Kubota was named Tsuda's chief of staff. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Jul 1933

China
  • Vice Admiral Yurikazu Edahara succeeded Vice Admiral Shizue Tsuda as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
15 Nov 1934

China
  • Vice Admiral Kichijiro Hamada succeeded Vice Admiral Yurikazu Edahara as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
15 Nov 1935

China
  • Admiral Hideho Wada succeeded Vice Admiral Kichijiro Hamada as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Vice Admiral Chuichi Hara was named Wada's chief of staff. ww2dbase [Ryojun Guard District | Chuichi Hara | Lushunkou, Liaoning | CPC]
1 Dec 1936

China
  • Vice Admiral Masaichi Maeda succeeded Admiral Hideho Wada as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Dec 1937

China
15 Nov 1938

China
  • Vice Admiral Ichiro Sato succeeded Vice Admiral Masaichi Maeda as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
15 Nov 1939

China
  • Vice Admiral Boshiro Hosogaya succeeded Vice Admiral Ichiro Sato as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. Rear Admiral Isamu Takeda was named Hosogaya's chief of staff. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Nov 1940

China
  • Rear Admiral Keizo Tanimoto replaced Rear Admiral Isamu Takeda as the chief of staff of Vice Admiral Boshiro Hosogaya (Ryojun Military Port, northeastern China). ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
15 Nov 1940

China
  • Vice Admiral Teruhisa Komatsu succeeded Vice Admiral Boshiro Hosogaya as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
5 Jul 1941

China
  • Vice Admiral Hidehiko Ukita succeeded Vice Admiral Teruhisa Komatsu as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
20 Nov 1941

China
  • The Japanese-controlled Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China was upgraded to the status of a Guard District. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
5 Jan 1942

China
  • Vice Admiral Hidehiko Ukita stepped down as the commanding officer of the Ryojun Guard District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
15 Jan 1942

China
  • The Japanese-controlled Ryojun Guard District (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China was decommissioned from service. ww2dbase [Ryojun Guard District | Lushunkou, Liaoning | CPC]
1 Oct 1945

Photo(s) dated 1 Oct 1945
Soviet naval infantrymen flying the navy ensign at Port Arthur (Ryojun or Lushunkou), Liaoning, China, 1 Oct 1945

Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis




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F4U-1A Corsair fighters of US Navy squadron VF-17 in flight, Southwest Pacific, 1944; seen in Feb 1969 issue of US Navy publication Naval Aviation News


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