Treaty of Windsor (1386) facts for kids
| Treaty of peace, friendship and confederation between John I of Portugal and Richard II, King of England | |
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Treaty of Windsor
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| Drafted | 9 May 1386 |
| Signed | 24 February 1387 |
| Location | Westminster |
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| Signatories | |
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| Depositary | Portuguese National Archives |
| Language | Latin |
The Treaty of Windsor is a very old and important agreement between Portugal and England. It was signed on May 9, 1386, in a place called Windsor. This treaty created a strong friendship and alliance between the two countries.
A big part of sealing this friendship was the marriage of King John I of Portugal to Philippa of Lancaster. Philippa was the daughter of a powerful English noble, John of Gaunt, 1st Duke of Lancaster. This marriage helped make the alliance even stronger.
Contents
What the Treaty Was About
This treaty was a promise of mutual support. This means Portugal and England agreed to help each other if one of them was attacked. It was like a long-term friendship pact between two nations.
Why the Treaty Was Needed
Before this treaty, Portugal had a big problem. There was a time when Portugal didn't have a clear king. This period is called an interregnum, which means "between reigns." It was a time of confusion and fighting over who should rule.
King John I of Portugal fought in a major battle called the Battle of Aljubarrota. English archers, who were very skilled, helped him win this battle. This victory was super important because it proved John I was the rightful king of Portugal. The Treaty of Windsor then helped make sure his rule was recognized and protected.
A Long-Lasting Friendship
The Treaty of Windsor is famous for being the longest-lasting diplomatic treaty in history. It has kept Portugal and England as allies for hundreds of years, right up to today!
Historians agree that this treaty has been the main reason for the good relationship between the two countries for a very long time.
Where to Find the Treaty
The original document of the Treaty of Windsor is kept safe in the Portuguese National Archives. This is a special place where important historical papers are stored.
See Also
- Anglo-Portuguese Treaty of 1373
- British Ultimatum of 1890
- Timeline of Portuguese history
- Anglo-Portuguese Alliance
- Treaty of Tagilde
