On This Day

Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existence) is signed in London between King Edwar

Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existence) is signed in London between King Edward III of England and King Ferdinand I of Portugal [1]

Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existence) is signed in London between King Edward III of England and King Ferdinand I of Portugal [1]

Key People

Edward III

Ferdinand I

Events Before

  1. English Prince John of Gaunt marries Constance of Castile (17), heir of Peter of Castile and Leon

    John of Gaunt, Duke of Lancaster, was an English prince, military leader and statesman. He was the fourth son of King Edward III, and the father of King Henry IV.

  2. King Robert II of Scotland (1371-90) becomes the first monarch of the House of Stewart

    King Robert II of Scotland (1371-90) becomes the first monarch of the House of Stewart

  3. Arnold II of Horne chosen bishop of Utrecht

    Arnold II of Horne (1339 - 8 March 1389) served as Prince and Bishop of Liège from 1378 until his death in 1389. He had previously served as Bishop of Utrecht from 1371 to 1378.

  4. Pope Gregory XI names Arnold II of Horne as bishop of Utrecht

    Pope Gregory XI names Arnold II of Horne as bishop of Utrecht

  5. A small Ottoman force makes a devastating surprise night raid on the Serbian camp by the Maritsa River, killing thousand

    A small Ottoman force makes a devastating surprise night raid on the Serbian camp by the Maritsa River, killing thousands of drunken soldiers, including Serbian King Vukašin Mrnjavčević and his brother, Despot Jovan Uglješa

Events After

  1. BC Solar eclipse (2m 07s) seen at Ugarit by Mesopotamian astronomers "On the day of the new moon, in the month of Hiyar,

    BC Solar eclipse (2m 07s) seen at Ugarit by Mesopotamian astronomers "On the day of the new moon, in the month of Hiyar, the Sun was put to shame, and went down in the daytime, with Mars in attendance."

  2. West Frisian seawall breaks, flooding the northern Netherlands

    West Frisian seawall breaks, flooding the northern Netherlands

  3. English "Good Parliament" begins meeting in London, will sit till 10th July, then the longest-sitting English parliament

    English "Good Parliament" begins meeting in London, will sit till 10th July, then the longest-sitting English parliament

  4. English "Good Parliament" ends, longest-sitting parliament at that time

    English "Good Parliament" ends, longest-sitting parliament at that time

  5. Edward the Black Prince dies

    Edward the Black Prince heir of the english throne, known for heir of the english throne, died on 1376-06-08.

More from the 1370s

Frequently Asked Questions

What happened on June 13, 1373?
Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existence) is signed in London between King Edward III of England and King Ferdinand I of Portugal [1]
Who was involved in Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existe...?
Key figures include Edward III, Ferdinand I.

Explore More