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What Happened on May 9, 1386

Historical Events

World's Oldest Treaty

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. [1]

1386 Highlights

About May 9, 1386

Calendar: Julian
Day of the Week: Wednesday
How Long Ago? 638 years, 2 months and 3 days
Leap Year: No

Star Sign: Taurus