On This Day

What Happened in June 1373

Historical Events

Treaty of Interest

Jun 13 Anglo-Portuguese Treaty of Perpetual Alliance (world's oldest still in existence) signed in London between King Edward III of England and King Ferdinand I of Portugal [1]

Famous Birthdays

  • Jun 25 Johanna II, Queen of Naples (1414-35), born in Zadar, Dalmatia (d. 1435)