20 Oct 1942
  • Light carrier Hosho was assigned to the Mobile Force Training Force. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • Submarine tender Taigei was assigned to the Japanese Navy Maizuru Naval District as Reserve Ship No. 1. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • USS S-31 arrived in the Kurile Islands region. ww2dbase [Main Article | CPC]
  • USS Finback attacked a Japanese convoy off China, firing 9 torpedoes and claiming 3 hits and claiming two sinkings. ww2dbase [Main Article | CPC]
  • While cruising in support of the operations in the Solomon Islands, USS Chester was struck by a torpedo fired from Japanese submarine I-176, killing eleven and wounding twelve. ww2dbase [Main Article | DS]
  • U-132 joined wolfpack Veilchen. ww2dbase [Main Article | CPC]
  • Japanese submarine I-176 attacked and damaged USS Chester in the Solomon Islands area. ww2dbase [Main Article | CPC]
  • USS S-35 arrived at Unalaska, US Territory of Alaska in the Aleutian Islands. ww2dbase [Main Article | CPC]
Australian New Guinea
  • Hakkai Maru completed temporary repairs for Tenryu at Rabaul, New Britain. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • The USAAF conducted a photo reconnaissance mission over Rabaul, New Britain, revealing a concentration of about 70 ships. ww2dbase [CPC]
British Western Pacific Territories
  • USS Helena observed incoming Japanese torpedoes while on patrol between Espiritu Santo of New Hebrides and San Cristobal island in the Solomon Islands; all torpedoes missed. ww2dbase [Main Article | CPC]
  • Japanese Lieutenant General Masao Maruyama delayed the planned assault on Henderson Field on Guadalcanal, Solomon Islands until 22 Oct 1942. ww2dbase [Main Article | Facility | CPC]
  • A Japanese combat patrol, supported by two tanks, was driven back by men of the 3rd Battalion of the US 1st Marine Regiment west of the Matanikau River. ww2dbase [Main Article | CPC]

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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Famous WW2 Quote
"I have returned. By the grace of Almighty God, our forces stand again on Philippine soil."

General Douglas MacArthur at Leyte, 17 Oct 1944