21 Feb 1913

Japan
28 Aug 1914

Japan
4 Sep 1914

Japan
3 Mar 1918

Japan
4 May 1921

Photo(s) dated 4 May 1921
Japanese battlecruiser Kirishima undergoing maintenance and training at Sasebo, Japan, 4 May 1921
24 Oct 1921

Japan
5 Sep 1929

Japan
  • Masafumi Arima stepped down as the Vice Chief Gunnery Office of battleship Haruna and was assigned to the gunnery department of Sasebo Naval District in Japan. ww2dbase [Masafumi Arima | Sasebo, Nagasaki | CPC]
25 Sep 1929

Japan
1 Nov 1929

Japan
  • The conversion of a Tosa-class battleship hull to a fleet carrier completed at Sasebo Naval Arsenal, Japan. She was commissioned into Japanese Navy service as Kaga. In her original configuration, she sported three flight decks that form a series of ramps at the bow. ww2dbase [Sasebo Naval Arsenal | Kaga | Sasebo, Nagasaki | CPC]
29 Jun 1936

Japan
18 Jan 1937

Japan
1 Apr 1937

Japan
  • Akagi was taken out of service and entered drydock for extensive modernization at Sasebo Naval Arsenal, Japan. Records showed the date of this event simply as "Apr 1937"; the exact date was not noted. ww2dbase [Sasebo Naval Arsenal | Akagi | Sasebo, Nagasaki | CPC]
11 Aug 1937

Japan
5 Sep 1937

Japan
8 Sep 1937

Japan
10 Sep 1937

Japan
4 Oct 1937

Japan
21 Nov 1937

Japan
10 Dec 1937

Japan
1 Sep 1938

Japan
  • Masafumi Arima stepped down as the commanding officer of converted seaplane tender Kamikawa Maru and was made a commanding officer of Sasebo Naval Air Corps in Japan. ww2dbase [Masafumi Arima | Sasebo, Nagasaki | CPC]
11 Dec 1938

Japan
23 Nov 1940

Japan
26 Nov 1940

Japan
1 May 1941

Japan
14 May 1941

Japan
21 May 1941

Japan
  • Kaga was made the flagship of Carrier Division 1 of the Japanese Navy First Air Fleet at Sasebo, Japan. ww2dbase [Kaga | Sasebo, Nagasaki | CPC]
21 Jun 1941

Japan
31 Aug 1941

Japan
9 Nov 1941

Japan
11 Nov 1941

Japan
14 Nov 1941

Japan
26 Nov 1941

Japan
  • Naka became the flagship of Rear Admiral Shoji Nishimura of Japanese 4th Destroyer Squadron; she departed the Terashima Strait near Sasebo, Japan. ww2dbase [Naka | Sasebo, Nagasaki | CPC]
17 Mar 1942

Japan
  • Nachi arrived at Sasebo, Japan and was detached from Cruiser Division 5. ww2dbase [Nachi | Sasebo, Nagasaki | CPC]
22 Mar 1942

Japan
27 Mar 1942

Japan
  • Kaga entered the drydocks of Sasebo, Japan to repair the damage caused by striking reefs in the Palau Islands, Caroline Islands on 9 Feb 1942. ww2dbase [Sasebo Naval Arsenal | Kaga | Sasebo, Nagasaki | CPC]
7 Apr 1942

Japan
15 Apr 1942

Japan
4 May 1942

Japan
24 May 1942

Japan
26 May 1942

Japan
28 May 1942

Japan
16 Jun 1942

Japan
26 Jun 1942

Japan
10 Aug 1942

Japan
11 Aug 1942

Japan
31 Aug 1942

Japan
12 Dec 1942

Japan
14 Dec 1942

Japan
  • Tatsuta Maru departed Sasebo, Japan and arrived at Nagasaki, Japan later in the same day. ww2dbase [Tatsuta Maru | Sasebo, Nagasaki | CPC]
2 Jan 1943

Japan
14 Jan 1943

Japan
25 Jan 1943

Japan
3 Feb 1943

Japan
5 Feb 1943

Japan
  • Nachi arrived at Sasebo, Japan and began a period of refitting. ww2dbase [Nachi | Sasebo, Nagasaki | CPC]
27 Feb 1943

Japan
17 Mar 1943

Japan
19 Mar 1943

Japan
  • Kongo departed Sasebo, Japan for the West Inland Sea, with Yugure and Hagikaze in escort. ww2dbase [Kongo | Yugure | Sasebo, Nagasaki | CPC]
6 Jun 1943

Japan
22 Sep 1943

Japan
  • Nachi arrived at Sasebo, Japan for refitting; she would receive a new Type 21 air search radar. ww2dbase [Nachi | Sasebo, Nagasaki | CPC]
20 Oct 1943

Japan
31 Oct 1943

Japan
  • Japanese hospital ship Hikawa Maru arrived at Sasebo, Japan. ww2dbase [Hikawa Maru | Sasebo, Nagasaki | CPC]
  • An American reconnaissance flight from Suichuan Airfield, Jianxi Province, China detected a Japanese shipping concentration in the Sasebo-Nagasaki area. Claire Chennault requested for permission to attack, but Henry Arnold rejected the request, noting that he did not wish to alert the Japanese of American air strength in China while he worked on a plan for concerted B-29 strikes from China. ww2dbase [Claire Chennault | Sasebo, Nagasaki | CPC]
2 Nov 1943

Japan
7 Jan 1944

Japan
22 Jan 1944

Japan
10 Apr 1944

Japan
29 May 1944

Japan
4 Jun 1944

Japan
7 Jun 1944

Japan
13 Jun 1944

Japan
20 Jun 1944

Japan
  • Destroyer Yuzuki completed her refitting at Sasebo, Japan. She received a Type 13 radar on her main mast, exchanged twin 13-mm machine gun mounts for single 25-mm machine gun mounts. ww2dbase [Sasebo Naval Arsenal | Yuzuki | Sasebo, Nagasaki | CPC]
26 Jul 1944

Japan
29 Jul 1944

Japan
16 Sep 1944

Japan
30 Sep 1944

Japan
10 Oct 1944

Japan
17 Oct 1944

Japan
18 Oct 1944

Japan
  • Patrol Boat No. 102 departed Sasebo, Japan at 1721 hours and made rendezvous with convoy MI-23 consisted of Ebara Maru, Munakata Maru, Hikachi Maru, Matsumoto Maru, Koshin Maru, Einin Maru, Ritsuei Maru, Yamasono Maru, Enreki Maru, Shoei Maru, Hirota Maru, Unsen Maru, Yokai Maru, Shirotae Maru, Yuzan Maru No. 2, and survey ship Hakusa. ww2dbase [Stewart | Sasebo, Nagasaki | CPC]
25 Oct 1944

Japan
30 Oct 1944

Japan
  • Destroyer Yuzuki departed Sasebo, Japan, escorting carrier Junyo and cruiser Kiso for the Manila, Luzon, Philippine Islands. ww2dbase [Yuzuki | Sasebo, Nagasaki | CPC]
1 Nov 1944

Japan
  • Nobukiyo Nambu arrived at the headquarters of the 6th Fleet at the Sasebo Submarine Base, Nagasaki Prefecture, Japan. ww2dbase [Nobukiyo Nambu | Sasebo, Nagasaki | CPC]
22 Dec 1944

Japan
  • Destroyer Shigure disembarked the 147 survivors of Unryu (sank three days prior) at Sasebo, Japan. ww2dbase [Unryu | Sasebo, Nagasaki | CPC]
8 Jan 1945

Japan
  • I-401 was commissioned into service at Sasebo, Japan under the command of Lieutenant Commander Nobukiyo Nambu. The ceremony was attended by very few, as she was a top secret submarine. She departed Sasebo later in the same day for the Inland Sea. ww2dbase [I-401 | Sasebo, Nagasaki | CPC]
18 Mar 1945

Japan
  • Patrol Boat No. 102 arrived at Sasebo, Nagasaki, Japan at 1630 hours. ww2dbase [Stewart | Sasebo, Nagasaki | CPC]
6 Apr 1945

Japan
  • Patrol Boat No. 102 departed Sasebo, Nagasaki, Japan and escorted transports Kashima Maru and Seiga Maru to Fukue, Nagasaki, Japan, arriving at 1704 hours. ww2dbase [Stewart | Sasebo, Nagasaki | CPC]
17 May 1945

Japan
19 May 1945

Japan
14 Jun 1945

Japan
5 Jul 1945

Japan
22 Sep 1945

Japan
23 Sep 1945

Photo(s) dated 23 Sep 1945
Devastated city of Sasebo, Japan, 23 Sep 1945
26 Sep 1945

Photo(s) dated 26 Sep 1945
View from the island of JunyoView from the island of JunyoJunyo moored at Sasebo, Japan, 26 Sep 1945, photo 1 of 2Junyo moored at Sasebo, Japan, 26 Sep 1945, photo 2 of 2
See all photos dated 26 Sep 1945
19 Oct 1945

Photo(s) dated 19 Oct 1945
View of JunyoIncomplete Japanese submarine Ha-230 at Sasebo, Japan, 19 Oct 1945; note carrier Junyo (center), carrier Ibuki (center background, beyond Junyo), incomplete Unryu-class carrier Kasagi (right background), and a number of escort ships (left background)Japanese sailor aboard carrier Junyo signaling an approaching tug, Sasebo, Japan, 19 Oct 1945The island of carrier Junyo as viewed from the flight deck, looking forward, Sasebo, Japan, 19 Oct 1945; note the Type 3 radar antenna on the mainmast
1 Nov 1945

Photo(s) dated 1 Nov 1945
Junyo moored at Sasebo, Japan, 1 Nov 1945 or slightly earlier
22 Nov 1945

Japan
11 Dec 1945

Japan
4 Mar 1946

Japan
1 Apr 1946

Photo(s) dated 1 Apr 1946
I-58 being prepared for scuttling, off Sasebo, Japan, 1 Apr 1946
22 Oct 1946

Photo(s) dated 22 Oct 1946
Incomplete light carrier Ibuki being taken apart at Sasebo, Japan, 22 Oct 1946
12 Jan 1947

Japan
14 Mar 1947

Photo(s) dated 14 Mar 1947
Incomplete light carrier Ibuki being taken apart at Sasebo, Japan, 14 Mar 1947

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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