SprueStack Zero Hour: WW2 day by day

4 May 1943

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.

6 sourced entries for this date.

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Entries

ALEUTIAN IS.

Attu invasion convoy leaves Cold Harbor for target, a day behind schedule because of poor weather conditions. D Day is consequently postponed to 8 May.

Source US Army CMH chronology (opens external site)
Burma

Continuing infiltration tactics, Japanese are now established on Buthidaung-Maungdaw road and resisting efforts of Br Imperial forces to oust them.

Source US Army CMH chronology (opens external site)
Tunisia

18 Army Group: U.S. II Corps pushes forward in preparation for full-scale drive on Bizerte on 6th. On N flank, 9th Div and Corps Franc d’Afrique get into position for advance on Bizerte over hills N of Garaet Achkel.

Source US Army CMH chronology (opens external site)
China-Burma-India Theater

THOR mission records show at least 19 Allied sorties (3 recorded unit missions) in the China-Burma-India Theater on 1943-05-04, flown by USAAF 14th Air Force, USAAF 10th Air Force. Targets included CHINA, BURMA.

Source US Air Force THOR (opens external site)

THOR is a secondary compilation with known gaps, not a complete record.
Mediterranean Theater

THOR mission records show at least 118 Allied sorties (25 recorded unit missions) in the Mediterranean Theater on 1943-05-04, flown by USAAF 9th Air Force, RAF. Targets included TUNISIA, ITALY.

Source US Air Force THOR (opens external site)

THOR is a secondary compilation with known gaps, not a complete record.
Pacific Theater

THOR mission records show at least 35 Allied sorties (7 recorded unit missions) in the Pacific Theater on 1943-05-04, flown by USAAF 5th Air Force, USAAF 14th Air Force, USAAF 7th Air Force, USAAF 13th Air Force.

Source US Air Force THOR (opens external site)

THOR is a secondary compilation with known gaps, not a complete record.

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4 May in other years 1940 1941 1942 1944 1945

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4 May 1943

Entries

Attu invasion convoy leaves Cold Harbor for target, a day behind schedule because of poor weather conditions. D Day is consequently postponed to 8 May.

Continuing infiltration tactics, Japanese are now established on Buthidaung-Maungdaw road and resisting efforts of Br Imperial forces to oust them.

18 Army Group: U.S. II Corps pushes forward in preparation for full-scale drive on Bizerte on 6th. On N flank, 9th Div and Corps Franc d’Afrique get into position for advance on Bizerte over hills N of Garaet Achkel.

THOR mission records show at least 19 Allied sorties (3 recorded unit missions) in the China-Burma-India Theater on 1943-05-04, flown by USAAF 14th Air Force, USAAF 10th Air Force. Targets included CHINA, BURMA.

THOR mission records show at least 118 Allied sorties (25 recorded unit missions) in the Mediterranean Theater on 1943-05-04, flown by USAAF 9th Air Force, RAF. Targets included TUNISIA, ITALY.

THOR mission records show at least 35 Allied sorties (7 recorded unit missions) in the Pacific Theater on 1943-05-04, flown by USAAF 5th Air Force, USAAF 14th Air Force, USAAF 7th Air Force, USAAF 13th Air Force.

Talk about it