British declaration of war on Germany

E441629

The British declaration of war on Germany was the formal act on 4 August 1914 by which the United Kingdom entered World War I in response to Germany’s invasion of Belgium and France.

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Observed surface forms (1)

Statements (49)

Predicate Object
instanceOf declaration of war
diplomatic document
event in World War I
allianceContext Triple Entente NERFINISHED
alsoKnownAs British entry into World War I
announcedBy Sir Edward Grey NERFINISHED
appliesTo British Empire NERFINISHED
archivedIn UK National Archives NERFINISHED
belligerent German Empire
United Kingdom NERFINISHED
capitalOfDeclaringState London NERFINISHED
cause German invasion of Belgium NERFINISHED
German invasion of France NERFINISHED
violation of Belgian neutrality
chronologicalOrder one of the first major Allied declarations of war in 1914
commemoratedOn World War I centenary (2014) NERFINISHED
conflict World War I
country United Kingdom
date 4 August 1914
day 4
deadlineForUltimatum 23:00 BST, 4 August 1914
declaredOn German Empire NERFINISHED
governmentHeadAtTime H. H. Asquith NERFINISHED
historicalPeriod early World War I
language English
legalBasis 1839 Treaty of London NERFINISHED
location London, England
surface form: London
mediaCoverage reported in The Times NERFINISHED
reported in major British newspapers
militaryConsequence Royal Navy placed on war footing
mobilization of British Expeditionary Force
monarchAtTime George V NERFINISHED
month August
officeOfAnnouncer British Foreign Secretary NERFINISHED
opposedAlliance Triple Alliance NERFINISHED
partOf United Kingdom entry into World War I NERFINISHED
World War I diplomatic history
politicalConsequence beginning of total war for British Empire
broad support in British Parliament
precededBy British ultimatum to Germany regarding Belgium
relatedTo German invasion of Luxembourg NERFINISHED
July Crisis NERFINISHED
Schlieffen Plan NERFINISHED
result United Kingdom entered World War I NERFINISHED
state of war between United Kingdom and German Empire
timeOfDay 23:00 BST
triggeredBy German refusal to withdraw from Belgium
typeOfAct formal diplomatic note
year 1914

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

July Crisis of 1914 hasKeyEvent British declaration of war on Germany
Belgian neutrality contributedTo British declaration of war on Germany
this entity surface form: British declaration of war on Germany (1914)