12 Dec 1943



- Yamato departed Truk to cover for troop transport operation BO-1. ww2dbase [Yamato | CPC]
- A treaty of amity, mutual aid and collaboration after the war was concluded by the Soviet Union with Czechoslovakia. ww2dbase [AC]
- In Moscow, Russia, a treaty of friendship was signed between Czechoslovakia and the Soviet Union. ww2dbase [TH]
- Feldmarschall Rommel was appointed the head of Armeegruppe B based in France. ww2dbase [Erwin Rommel | TH]
- TBF Avengers from USS Bogue attacked the surfaced German submarine U-172 in the eastern Atlantic using Mark 24 FIDO acoustic homing torpedoes. U-172 evaded the attack but a 27-hour running battle followed. ww2dbase [Mark XXIV | TBF Avenger | Conclusion of the Battle of the Atlantic | U-172 | Bogue | DS]
- Japanese hospital ship Hikawa Maru departed Truk, Caroline Islands. ww2dbase [Hikawa Maru | Truk | CPC]
- Repair ship Akashi began repairing light cruiser Nagara at Truk, Caroline Islands. ww2dbase [Akashi | Truk | CPC]
- Shokaku departed Truk, Caroline Islands for Yokosuka, Japan. ww2dbase [Shokaku | Truk | CPC]
- Joseph Stilwell arrived in Chongqing, China. ww2dbase [Joseph Stilwell | Chongqing | CPC]
- 18 RAF Mosquito aircraft attacked Essen, Germany while 9 RAF Mosquito aircraft attacked Düsseldorf, Germany. ww2dbase [Bombing of Hamburg, Dresden, and Other Cities | CPC]
- USS Seahorse arrived at Pearl Harbor, US Territory of Hawaii, ending her second war patrol. ww2dbase [Pearl Harbor Navy Base and Ford Island Naval Air Station | Seahorse | Pearl Harbor, Oahu | CPC]
- Barbers Point Naval Air Station: More of ACORN-21 arrived on board. ww2dbase [Barbers Point Naval Air Station | Ewa, Oahu | DS]
- The Canadian attack in "The Gully" region in Italy was met with resistance, suffering heavy casualties. ww2dbase [Advance to the Gustav Line | CPC]
- USS Alabama arrived at Efate Island, New Hebrides Islands. ww2dbase [Alabama | Port Havannah, Efate | CPC]
- Allied convoy JW-55A departed Liverpool, England, United Kingdom. ww2dbase [Arctic Convoys | Liverpool, England | CPC]
- Jean Knox relinquished the temporary rank of chief controller of the British Auxiliary Territorial Service. ww2dbase [Jean Knox | England | CPC]
- Submarine Barbero was launched at Groton, Connecticut, United States, sponsored by Mrs. Katherine R. Keating. ww2dbase [Barbero | Groton, Connecticut | CPC]
- Preston was launched at San Pedro, California, United States, sponsored by sponsored by Mrs. R. F. Gross. ww2dbase [Preston (Fletcher-class) | Bethlehem San Pedro Shipyard | San Pedro, California | CPC]
- USS Harder arrived at Mare Island Navy Yard in Vallejo, California, United States for a scheduled overhaul. ww2dbase [Harder | Mare Island Navy Yard | Vallejo, California | CPC]
- Submarine Barbero was launched at Groton, Connecticut, United States, sponsored by Mrs. Katherine R. Keating. ww2dbase [Electric Boat Company | Groton, Connecticut | CPC]
- USS Wake Island departed San Francisco, California, United States. ww2dbase [Wake Island | San Francisco, California | CPC]




12 Dec 1943 Interactive Map
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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