18 Jun 1941
  • British press reported details of development of radiolocation technology (later more popularly known by its American acronym RADAR) and its use in Battle of Britain. ww2dbase [TH]
  • The keel for the civilian ship Steel Architect was laid down at Tacoma, Washington, United States by Todd Pacific Shipyards. ww2dbase [Copahee | CPC]
  • German submarine U-552 sank British ship Norfolk 150 miles northwest of Ireland at 0438 hours; 1 was killed, 70 survived. ww2dbase [CPC]
  • British destroyers HMS Faulknor, HMS Fearless, HMS Forester, HMS Foresight, and HMS Foxhound sank U-138 with depth charges 100 miles west of Gibraltar; all 27 German crew members of U-138 survived and were all taken prisoner. ww2dbase [CPC]
  • Hans-Joachim Marseille was granted medical leave; he would depart Libya for Berlin, Germany shortly. ww2dbase [Hans-Joachim Marseille | CPC]
Photo(s) dated 18 Jun 1941
Benito Mussolini at Lubiana, Italy (occupied Ljubljana, Yugoslavia), 18 Jun 1941

18 Jun 1941 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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