World's Oldest Treaty (Famous Drawing)

Publish date: 2024-08-09

Drawing Info

Artist: Chronique d' Angleterre (Volume III)
Location drawn: A tent by the Minho River, Portugal
Source: British Library

1373-06-13 Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existence) signed in London between King Edward III of England and King Ferdinand I of Portugal
1386-05-09 Treaty of Windsor between Portugal and England is ratified at Windsor cementing and strengthening ties between the two kingdoms. The treaty guarantees the mutual security of both nations and strengthens commercial ties. It is the oldest diplomatic alliance still in force.
1654-07-20 Anglo-Portuguese treaty is reinforced, England guarantees Portugal’s independence and receives trade concessions
1943-06-23 British ambassador to Portugal Ronald Hugh Campbell invokes the almost 600 year old Anglo-Portuguese alliance between the two countries to request the use of military facilities on the Azores

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