7 Aug 1942
  • Destroyer Yuzuki was recalled back to Rabaul, New Britain, Bismarck Islands as a response to the Allied attack on Guadalcanal, Solomon Islands. ww2dbase [Main Article | CPC]
  • Captain Sukeichi Yamazaki was named the commanding officer of Kamoi. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • US Marines landed on Guadalcanal in the Solomon Islands with the aim of safeguarding the sea supply lines between Australia and America and to form the first of the island "stepping stones" which would carry the Americans across the Pacific to Japan; the airfield on the island provided the Marines with a vital facility. Just across the water to the north, Brigadier General William H. Rupertus, Deputy Commander of the US 1st Marine Division, led an assault on Tulagi. Lieutenant Colonel Merritt A. Edson's 1st Raider Battalion landed first, followed by Lieutenant Colonel Harold E. Rosecran's 2nd Battalion 5th Marines. The Japanese defenders put up a much stiffer resistance than their comrades on Guadalcanal but by nightfall Edsons's Marines had reached the former British residency overlooking Tulagi's harbour and dug in for the night on a hill overlooking the Japanese final positions. At the same time the 2nd Battalion 5th Marines had fought their way through to the north shore clearing the sector of enemy positions, after which they moved into support of the Raiders. The days fighting had cost the 2nd Battalion 5th Marines 56 men killed and wounded, whilst the 1st Raiders had suffered 99 casualties. ww2dbase [Main Article | AC]
  • The Australian merchant ship Mamutu, sailing from Port Moresby in New Guinea for Australia and carrying 32 crew and 82 passengers, including 28 children, was shelled and sunk by a Japanese submarine which then machine gunned the survivors in the water. Only one person was rescued. ww2dbase [AC]
  • The United States Marine Corps established Marine Aircraft Wings, Pacific. ww2dbase [CPC]
  • German submarine U-108 sank Norwegian ship Breñas in the South Atlantic at 0133 hours; 1 was killed, 33 survived but the captain was captured by U-108. At 0225 hours, U-572 sank Dutch ship Delfshaven 800 miles west of Freetown, British West Africa; 1 was killed, 38 survived. At 2147 hours, U-109 sank Norwegian tanker Arthur W. Sewall 1,400 miles west of Freetown, British West Africa; all 36 aboard survived. ww2dbase [Main Article | CPC]
  • German submarine U-77 sank a sailboat 85 miles east of Cape Greco, Cyprus at 0700 hours. ww2dbase [CPC]
  • British submarine HMS Proteus sank German freighter Wachtfels 100 miles south of Athens, Greece. ww2dbase [CPC]
  • British submarine HMS Thorn attempted to attack an Italian convoy 50 miles southwest of Crete, Greece at 1255 hours, but was instead sunk by a counterattack by Italian torpedo boat Pegaso at 1345 hours; all 61 aboard were killed. ww2dbase [CPC]
  • USS S-31 bombarded Kiska, US Territory of Alaska. ww2dbase [Main Article | CPC]
  • USS S-35 reported weather conditions near Kiska, US Territory of Alaska in the Aleutian Islands. ww2dbase [Main Article | CPC]
  • American cruisers bombarded Japanese-positions at Kiska, US Territory of Alaska. ww2dbase [CPC]
  • George Kenney requested for the authorization from George Marshall to create an all-American numbered air force in Australia. ww2dbase [Main Article | CPC]
Australian New Guinea
  • Tenryu departed Kavieng, New Ireland with five other cruisers for Guadalcanal, Solomon Islands; the force was spotted by USS S-38, but the submarine could not gain a favorable attack position. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • At 0730 hours, 13 US B-17 Flying Fortress bombers took off from Port Moresby, Australian Papua to attack Rabaul, New Britain. Between 0950 and 1045 hours, prior to the arrival of the US attack, 17 Zero fighters of the Japanese Tainan Air Group, 27 Type 1 G4M aircraft of 4th Air Group, and 9 Type 99 D3A aircraft of 2nd Air Group were launched from Rabaul area airfields to join the battle in the Guadalcanal area in the Solomon Islands. The US attack caused minimal damage to runways and minor damage to 12 defending Zero fighters. ww2dbase [CPC]
British Western Pacific Territories
  • Jacob Vouza rescued a downed American pilot from carrier USS Wasp on Guadalcanal. ww2dbase [Main Article | CPC]
  • Joseph Stilwell departed Chongqing, China for Delhi, India via Assam in northeastern India. ww2dbase [Main Article | CPC]
  • William Gott, Winston Churchill's choice to replace Claude Auchinleck as the head of the British 8th Army, was killed when his aircraft was shot down by German Bf 109 fighters while traveling from Borg el-Arab to Cairo in Egypt. ww2dbase [AC, CPC]
Marshall Islands
  • USS Tambor sank Japanese auxiliary net layer Shofuku Maru off Wotje, Marshall Islands. ww2dbase [Main Article | CPC]
Pacific Ocean
  • USS Grayback fired two torpedoes at a Japanese trawler in the South China Sea; both torpedoes missed. ww2dbase [Main Article | CPC]
  • Elements of German 6.Armee crossed the Don River near Kalach-na-Donu, southern Russia, west of Stalingrad. ww2dbase [Main Article | TH]
  • Soviet cruiser Krasny Krym and destroyer Nezamozhnik evacuated troops from Novorossiysk, Russia as German 17th Army neared. ww2dbase [Main Article | CPC]
Taiwan United States
  • Excursion steamer Greater Buffalo was acquired by the US Navy. ww2dbase [Main Article | DS]
  • US Army transport Ancon was acquired by the US Navy. ww2dbase [Main Article | CPC]
  • In response to newspaper Chicago Tribune's 7 Jun 1942 issue hinting the US Navy had knowledge of the Japanese order of battle prior to the engagement, the US government ordered an investigation by a Federal Grand Jury. This investigation would later find that Chicago Tribune correspondent Stanley Johnston had stolen a report containing this information while he reported aboard USS Barnett days prior to the battle. ww2dbase [Main Article | CPC]
  • British merchant ship Winchester Castle delivered the rescued survivors of civilian ship Honolulan, which was sunk by German submarine on 22 Jul 1942, to New York, New York, United States. ww2dbase [CPC]
Photo(s) dated 7 Aug 1942
Canberra off Tulagi during landings, 7-8 Aug 1942Sherman and Noyes on WaspCrew aboard Enterprise loaded a 500 lb demolition bomb on a SBD scout bomber for strike on Guadalcanal and Tulagi, 7 Aug 1942USS Saratoga (foreground) and USS Enterprise (background) underway in the Solomon Islands, Aug 1942
See all photos dated 7 Aug 1942

7 Aug 1942 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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Famous WW2 Quote
"Since peace is now beyond hope, we can but fight to the end."

Chiang Kaishek, 31 Jul 1937