Medieval era · 1373
Anglo-Portuguese Treaty of 1373
The Anglo-Portuguese Treaty of 1373 was signed on 16 June 1373 between King Edward III of England and King Ferdinand I and Queen Leonor of Portugal. It established a treaty of "perpetual friendships, unions [and] alliances" between the two seafaring states, and remains the longest-standing treaty still in effect today.

- When
- 1373
- Where
- —
- Era
- Medieval
Before and after
Text from the Wikipedia article Anglo-Portuguese Treaty of 1373, CC BY-SA 4.0