17 Apr 1943
  • I-168 departed Attu, Aleutian Islands with a cargo of ammunition and mail for Kiska. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • Gilmore was commissioned into service. ww2dbase [Main Article | CPC]
  • Adolf Hitler met with Hungarian regent Miklós Horthy in an attempt to persuade him to further the attempt to deport Jews, who were "pure parasites" and compared to "tuberculosis bacilli" per Hitler, out of Hungary. Horthy would continue to meet this deportation request as little as possible. ww2dbase [Main Article | CPC]
  • In response to the German discovery of a mass grave near Smolensk, Russia, the Soviet Union insisted that the massacre was committed by the Germans. The Polish government-in-exile in London, England, United Kingdom requested the International Red Cross to investigate the matter. ww2dbase [Main Article | TH]
  • US bombers attacked Palermo, Sicily, Italy. German pilots who scrambled to meet the attackers claimed shooting down 5 bombers and 1 fighter. ww2dbase [Main Article | CPC]
Australian New Guinea
  • Matome Ugaki chaired a conference at the 8th Base Force Headquarters at Rabaul, New Britain. Among other topics, the admirals discussed the lack of armor on Japanese aircraft and the concern that Isoroku Yamamoto was soon to personally visit the front lines. ww2dbase [Main Article | CPC]
  • USS Flying Fish sank a Japanese freighter off Japan, hitting her with 2 of 4 torpedoes fired. ww2dbase [Main Article | CPC]
  • Jürgen Stroop was transferred to Warsaw, Poland by Heinrich Himmler to suppress the Warsaw Ghetto Uprising. ww2dbase [Main Article | CPC]
United Kingdom
  • The demanding training of dropping the new "Upkeep" bombs at low altitudes had proven too much for some British pilots. Pilot Officer Bill Divall replaced Sergeant Ray Lovell followed soon after by Flight Sergeant Lanchester and his crew being withdrawn. This brought 617 Squadron's stenghth down to 21 crews. ww2dbase [Main Article | AC]
United States
  • USS Cero departed New London, Connecticut, United States. ww2dbase [Main Article | CPC]
Photo(s) dated 17 Apr 1943
U-175 forced to surface after being depth charged by USCG cutter Spencer, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943Obersteurmann Helmut Klotzch of U-175 yelled for help after the submarine sank in the North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943Isoroku YamamotoUS Coast Guard crew of cutter Spencer watched as a depth charge exploded near U-175, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943
See all photos dated 17 Apr 1943

17 Apr 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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"Among the men who fought on Iwo Jima, uncommon valor was a common virtue."

Fleet Admiral Chester W. Nimitz, 16 Mar 1945