25 Jun 1943

- The minesweeper USS Advocate was transferred to the Soviet Union under the Lend-Lease act. ww2dbase [AC]
- Naka arrived at Nauru and disembarked 412 troops of No. 2 Yokosuka Special Naval Landing Force; she departed later in the day. ww2dbase [Naka | CPC]
- Hubert Lanz was given command of XXXXIX Gebirgskorps. ww2dbase [Hubert Lanz | CPC]
- The USAAF 306th Bomb Group flying from RAF Thurleigh launched a bombing raid against Hamburg, Germany but diverted to targets of opportunity due to thick clouds over the target area. ww2dbase [RAF Thurleigh | Bombing of Hamburg, Dresden, and Other Cities | Hamburg | DS]
- USS Mingo departed Pearl Harbor, US Territory of Hawaii for her first war patrol. ww2dbase [Pearl Harbor Navy Base and Ford Island Naval Air Station | Mingo | Honolulu, Oahu | CPC]
- USS Pollack arrived at Pearl Harbor, US Territory of Hawaii, ending her seventh war patrol. ww2dbase [Pearl Harbor Navy Base and Ford Island Naval Air Station | Pollack | Honolulu, Oahu | CPC]
- Comandante Cappellini (Aquilla III) sighted a freighter in the Indian Ocean during the day; she submerged to avoid detection. ww2dbase [Comandante Cappellini | CPC]
- The first Italian "M" armored division was formed near Rome, Italy as Mussolini's bodyguard unit. ww2dbase [Rome | CPC]
- As part of the preparation for the invasion of Sicily, Italy (Operation Husky) some 130 American B-17 bombers from the Northwest African Tactical Air Force dropped over 300 tons of bombs on Messina, Italy. ww2dbase [Invasion of Sicily and Italy's Surrender | Messina, Sicilia | AC]
- USS S-35 arrived in the Kurile Islands. ww2dbase [S-35 | Hokkaido | CPC]
- USS Harder sank a Japanese transport and damaged another off Japan, hitting each with 1 torpedo, expending 7 torpedoes in this attack. ww2dbase [Harder | CPC]
- Rear Admiral Katsuya Sato was named the chief of staff of Chinkai Guard District in southern Korea. ww2dbase [Chinkai Guard District | Chinkai, Gyeongsangnam | CPC]
- The German Foreign Ministry representative in the Netherlands reported that 102,000 of the 140,000 Dutch Jews had been deported. ww2dbase [Discovery of Concentration Camps and the Holocaust | CPC]
- Jews in the ghetto of Czestochowa, Poland revolted; German authorities destroyed the ghetto in response. ww2dbase [Discovery of Concentration Camps and the Holocaust | Czestochowa | CPC]
- Crematorium III began operation at Auschwitz Concentration Camp. The camp now had the capacity of cremating 4,756 bodies per day. ww2dbase [Auschwitz Concentration Camp | Discovery of Concentration Camps and the Holocaust | Oswiecim | CPC]
- The Karenko Prisoners of War Camp in Karenko (now Hualien) in eastern Taiwan was closed. ww2dbase [Karenko | CPC]
- The keel for the future submarine Trepang was laid down at the Mare Island Naval Shipyard in California, United States. ww2dbase [Trepang | Mare Island Navy Yard | Vallejo, California | CPC]


25 Jun 1943 Interactive Map
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