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SprueStack Zero Hour: WW2 day by day

27 May 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.

5 of 6 sourced entries for this date, chosen by the editor.

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Entries

  1. New Guinea

    TF HURRICANE, consisting largely of 41st Div ( - RCT 163), lands on Biak I. in Bosnek area after naval and air preparation. Against token resistance 186th Inf secures initial beachhead and trail over ridges to inland plateau N of Bosnek.

    Source US Army CMH chronology (opens external site)

  2. Operation Horlicks starts, as Americans land on Biak, Dutch New Guinea, a key Japanese air base; stubborn Japanese resistance until August.

    Source Wikipedia (opens external site)

  3. China-Burma-India Theater

    THOR mission records show at least 27 Allied sorties (5 recorded unit missions) in the China-Burma-India Theater on 1944-05-27, flown by USAAF 10th Air Force, USAAF 7th 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.

  4. Mediterranean Theater

    THOR mission records show at least 1,034 Allied sorties (64 recorded unit missions) in the Mediterranean Theater on 1944-05-27, flown by USAAF 12th Air Force, USAAF 15th Air Force.

    Source US Air Force THOR (opens external site)

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

  5. Theater not recorded

    THOR mission records show at least 38 Allied sorties (1 recorded unit missions) in the Theater not recorded on 1944-05-27, flown by RAF. Targets included an unrecorded target country.

    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.

27 May in other years 19401941194219431945

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