At sea
SprueStack Zero Hour: WW2 day by day
9 April 1940
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 9 sourced entries for this date, chosen by the editor.
Join us on Discord (opens external site)
Entries
-
-
At sea
Joint Planning Committee of the Joint Board submits a new general estimate of the world situation in relation to American defense and preparations for war.
-
At sea
Submarine tender Bushnell (AS-2), operating as a survey ship under the auspices of the Hydrographic Office, arrives in Venezuelan waters to commence hydrographic surveys of the Cape San Roman-to-Bahia Vela de Coro region (see 15 June).
-
1940 naval battle fought during the Second World War.
-
Drøbak Sound
1940 battle of World War II in the Norwegian Campaign.
-
Diplomatic record
The Secretary of State to the Minister in Norway (Harriman)
-
Diplomatic record
Memorandum of Conversation, by the Under Secretary of State (Welles)
-
Diplomatic record
The Ambassador in the United Kingdom (Kennedy) to the Secretary of State
The full list for this date is being cleaned and will return soon.
Sources listed with each entry. Spotted an error? Tell us.
9 April in other years 19411942194319441945
Talk about it
Discuss each day's entries and suggest sources in the Zero Hour community.