SprueStack Zero Hour: WW2 day by day

30 June 1944

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.

8 of 10 sourced entries for this date, chosen by the editor.

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Entries

France

21 Army Group: Gen Montgomery, CG, orders U.S. First Army to make breakout attack while Br Second Army continues efforts to take Caen and contains enemy between there and Villers-Bocage.

Source US Army CMH chronology (opens external site)
Saipan

At commander’s conference on Saipan, it is decided to land on Guam on 21 July and to reinforce Southern Troops and Landing Force (III Amphib Corps) for this purpose with 77th Div.

Source US Army CMH chronology (opens external site)
New Guinea

Main body of Noemfoor attack forces leaves Toem at 1800. On Biak, 34th Inf finishes mopping up its sector, ending main phase of action on Biak, and withdraws to beach.

Source US Army CMH chronology (opens external site)
The Battle of Cherbourg ends with the fall of the strategically valuable port to American forces.

Source Wikipedia (opens external site)
Excerpt from the London Gazette, Issue 36590, page 3093, published 1944-06-30: "n-effective, except that the scaleof pay should be assimilated to that shown in paragraph 5 below.

Source The London Gazette (opens external site)
China-Burma-India Theater

THOR mission records show at least 74 Allied sorties (15 recorded unit missions) in the China-Burma-India Theater on 1944-06-30, 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 451 Allied sorties (44 recorded unit missions) in the Mediterranean Theater on 1944-06-30, flown by USAAF 15th Air Force, USAAF 12th Air Force.

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 278 Allied sorties (58 recorded unit missions) in the Pacific Theater on 1944-06-30, flown by USAAF 5th Air Force, USAAF 7th Air Force, USAAF 13th Air Force, USAAF 11th Air Force, USAAF 14th Air Force.

Source US Air Force THOR (opens external site)

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

The full list for this date is being cleaned and will return soon.

Sources listed with each entry. Spotted an error? Tell us.

30 June in other years 1940 1941 1942 1943 1945

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30 June 1944

Entries

21 Army Group: Gen Montgomery, CG, orders U.S. First Army to make breakout attack while Br Second Army continues efforts to take Caen and contains enemy between there and Villers-Bocage.

At commander’s conference on Saipan, it is decided to land on Guam on 21 July and to reinforce Southern Troops and Landing Force (III Amphib Corps) for this purpose with 77th Div.

Main body of Noemfoor attack forces leaves Toem at 1800. On Biak, 34th Inf finishes mopping up its sector, ending main phase of action on Biak, and withdraws to beach.

The Battle of Cherbourg ends with the fall of the strategically valuable port to American forces.

Excerpt from the London Gazette, Issue 36590, page 3093, published 1944-06-30: "n-effective, except that the scaleof pay should be assimilated to that shown in paragraph 5 below.

THOR mission records show at least 74 Allied sorties (15 recorded unit missions) in the China-Burma-India Theater on 1944-06-30, flown by USAAF 14th Air Force, USAAF 10th Air Force. Targets included CHINA, BURMA.

THOR mission records show at least 451 Allied sorties (44 recorded unit missions) in the Mediterranean Theater on 1944-06-30, flown by USAAF 15th Air Force, USAAF 12th Air Force.

THOR mission records show at least 278 Allied sorties (58 recorded unit missions) in the Pacific Theater on 1944-06-30, flown by USAAF 5th Air Force, USAAF 7th Air Force, USAAF 13th Air Force, USAAF 11th Air Force, USAAF 14th Air Force.

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