30 Jun 1942
  • Commander Kinzo Tonozuka became the commanding officer of I-168. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • USS Sturgeon detected Japanese passenger ship Montevideo Maru off northern Philippine Islands and began to give chase. ww2dbase [Main Article | CPC]
  • Submarine Tunny was launched, sponsored by Mrs. Frederick G. Crisp. ww2dbase [Main Article | CPC]
  • A US Navy PBM Mariner aircraft sank German submarine U-158 70 kilometers west of Bermuda, killing all 54 aboard. 550 miles west of Ireland, German submarine U-458 sank Norwegian merchant ship Morsfruit; all 36 aboard survived. 650 miles northeast of the island of Saint Martin, Italian submarine Morosini sank Dutch merchant ship Tysa; all aboard survived. ww2dbase [Main Article | CPC]
  • German government decreed that no foreign workers was to receive higher wages or enjoy better working conditions than the poorest German workers. ww2dbase [CPC]
  • Axis troops reached El Alamein, Egypt. ww2dbase [Main Article | TH]
  • In Egypt, Allied defenses east of Mersa Matruh fell back to El Alamein. ww2dbase [Main Article | CPC]
  • The United States Marine Corps reported an active duty strength of 7,138 officers and 135,475 enlisted men for a total of 142,413 personnel. ww2dbase [CPC]
  • The Soviet 40th Army was trapped by German 4th Panzer Army and German 6th Army in southern Russia. ww2dbase [Main Article | CPC]
  • Japanese submarine I-10 sank US ship Express in the Mozambique Channel, killing 13. In the same area, I-20 sank British tanker Steaua Romana. ww2dbase [Main Article | CPC]
  • German submarine U-372 sank British submarine depot ship HMS Medway 62 miles northwest of Alexandria, Egypt at 0824 hours; 30 were killed, 1,105 survived. ww2dbase [CPC]
  • Hartwig von Ludwiger stepped down as the commanding officer of 83rd Infantry Regiment of 28th Infantry Division. ww2dbase [Main Article | CPC]
  • All Jewish schools in Germany were forced to close. ww2dbase [Main Article | CPC]
  • Georg von Küchler was promoted to the rank of Field Marshal. ww2dbase [Main Article | CPC]
  • Brigadier General Frederick McCabe arrived at Ramgarh Training Center, India. ww2dbase [Main Article | CPC]
Japan Pacific Ocean
  • USS Plunger sank Japanese ship Unkai Maru No. 5 70 miles southeast of Shanghai, China. ww2dbase [Main Article | CPC]
  • Auschwitz Concentration Camp's Bunker II, the second gas chamber, became operational. ww2dbase [Main Article | Facility | CPC]
United States
  • At a meeting headed by Ernest King and George Marshall, US military leadership finally settled their inter-service rivalry by moving the boundary of SOWESPAC (South West Pacific Command) and SOPAC (South Pacific Command) by 1 degree, or 60 miles, in order to facilitate the planned assault on Tulagi in the Solomon Islands. ww2dbase [Main Article | CPC]
Photo(s) dated 30 Jun 1942
Crew of the Patrol Squadron 23 (VP-23) PBY-5A patrol bomber that found the approaching Japanese fleetPilots of the four Patrol Squadron 24 (VP-24) and Patrol Squadron 51 (VP-51) PBY-5A "Catalina" patrol bombers that flew the torpedo attack mission against the Japanese fleetDetailed Operating Schedule for Launching of the Tunny, 30 Jun 1942, page 1 of 2Detailed Operating Schedule for Launching of the Tunny, 30 Jun 1942, page 2 of 2
See all photos dated 30 Jun 1942

30 Jun 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