What happened on this day in the Second World War, from 1939 to 1945, with a source for every entry.
About this page
Each day we list events from the Second World War that happened on that date, from 1939 to 1945. Every entry
names its source and links to it, so you can read further. Entries are sourced and machine-screened before
they go up, a subset is human-reviewed, and we add more over time.
THOR mission records show at least 23 Allied sorties (3 recorded unit missions) in the China-Burma-India Theater on 1943-09-12, flown by USAAF 14th Air Force, USAAF 10th Air Force. Targets included CHINA, BURMA.
THOR is a secondary compilation with known gaps, not a complete record.
Mediterranean Theater
THOR mission records show at least 93 Allied sorties (74 recorded unit missions) in the Mediterranean Theater on 1943-09-12, flown by USAAF 12th Air Force, USAAF 9th Air Force. Targets included ITALY, GREECE.
THOR is a secondary compilation with known gaps, not a complete record.
Pacific Theater
THOR mission records show at least 16 Allied sorties (10 recorded unit missions) in the Pacific Theater on 1943-09-12, flown by USAAF 7th Air Force, USAAF 13th Air Force, USAAF 5th Air Force.
THOR is a secondary compilation with known gaps, not a complete record.
New Guinea
As Aus 9th and 7th Divs push toward Lae from E and W, Aus 5th Div occupies Salamaua, Salamaua airfield, and the isthmus. Japanese begin withdrawing from Lae.