Treaty of Windsor

E661530

The Treaty of Windsor is a 1386 alliance agreement between Portugal and England that established one of the oldest enduring diplomatic and military alliances in the world.

All labels observed (2)

Label Occurrences
Treaty of Windsor canonical 2
Treaty of Windsor (1899) 1

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf alliance treaty ⓘ
bilateral treaty ⓘ
appliesTo trade between Portugal and England ⓘ
war and peace situations ⓘ
continentContext Europe ⓘ
countryInvolved Kingdom of England ⓘ
Kingdom of Portugal ⓘ
dateSigned 1386-05-09 ⓘ
describedAs cornerstone of Anglo-Portuguese relations ⓘ
one of the oldest still-in-force diplomatic alliances ⓘ
establishes commercial cooperation ⓘ
freedom of movement for merchants ⓘ
mutual defense obligations ⓘ
mutual military assistance ⓘ
perpetual alliance between Portugal and England ⓘ
follows Treaty of Tagilde ⓘ
guarantees mutual aid in case of attack ⓘ
protection of merchants ⓘ
safe conduct for subjects of both kingdoms ⓘ
hasEffectOn foreign policy of England ⓘ
foreign policy of Portugal ⓘ
hasLongTermImpactOn Anglo-Portuguese military cooperation ⓘ
Anglo-Portuguese trade relations ⓘ
hasPart commercial privileges clause ⓘ
friendship and peace clause ⓘ
military alliance clause ⓘ
mutual defense clause ⓘ
historicalPeriod Late Middle Ages ⓘ
language Latin ⓘ
legalStatus in force ⓘ
motivatedBy dynastic and strategic interests ⓘ
need for mutual support against Castile ⓘ
placeSigned Kingdom of England ⓘ
Windsor ⓘ
precedes later Anglo-Portuguese treaties ⓘ
recognizedAs foundation of continuous Anglo-Portuguese alliance ⓘ
relatedTo Anglo-Portuguese Alliance ⓘ
signatory John I of Portugal ⓘ
Richard II of England ⓘ
signedUnderReignOf John I of Portugal ⓘ
Richard II of England ⓘ
strengthenedBy marriage of John I of Portugal and Philippa of Lancaster ⓘ
typeOfAlliance diplomatic alliance ⓘ
military alliance ⓘ
yearSigned 1386 ⓘ

How these facts were elicited

Referenced by (3)

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

Treaties of Portugal → hasPart → Treaty of Windsor ⓘ
Kingdom of Portugal → treaty → Treaty of Windsor ⓘ
Anglo-Portuguese Alliance → hasPart → Treaty of Windsor (1899) ⓘ
linked to: Treaty of Windsor