Welcome to Conversation on Saturday, May 9

On this date in 1386, the Treaty of Windsor between Portugal and England was 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.  

English kingmaker Duke of Lancaster, John of Gaunt dining with the King of Portugal, John I (center) in 1386

Artist: Chronique d’ Angleterre (Volume III)

Location drawn: A tent by the Minho River, Portugal

Source: British Library

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