Jogaila was Grand Duke of Lithuania (1377–1434), King of the Kingdom of Poland (1386–1399), and then sole King of Poland (1399–1434). He ruled in Lithuania from 1377. In 1386 in Kraków he was baptized as Wladyslaw, married the young Queen r...

Margaret I was queen consort of Norway and Sweden, omnipotent ruler of Denmark, Norway and Sweden, and founder of the Kalmar Union, which united the Scandinavian countries for over a century. De facto a queen regnant, the laws of contempora...

Bayezid I, nicknamed Yildirim, "the Thunderbolt", was the Sultan of the Ottoman Empire, from 1389 to 1402. He was the son of Murad I and Valide Sultan Gülçiçek Hatun. In 1394, Bayezid laid siege to Constantinople, the capital of the Byz...

John I, called the Good (sometimes the Great) or of Happy Memory, was the tenth King of Portugal and the Algarve and the first to use the title Lord of Ceuta. He was the natural son of Peter I by a noble Galician woman named Teresa Lourenço...

The Yongle Emperor, born Zhu Di, was the third emperor of the Ming Dynasty of China from 1402 to 1424. His era name means "Perpetually Jubilant". His usurpation of the throne is now sometimes called the "Second Founding" of the Ming. He is...

Richard II was the son of Edward the Black Prince, Prince of Wales, and Joan "The Fair Maid of Kent". He was born in Bordeaux and became his father's successor when his elder brother died in infancy. He was deposed in 1399 and died the next...

Henry IV was the King of England and France and Lord of Ireland from 1399 to 1413. He was born at Bolingbroke Castle in Lincolnshire, hence the other name by which he was known, "Henry (of) Bolingbroke". His father, John of Gaunt, was the t...

Charles VI, called the Beloved and the Mad, was the King of France from 1380 to 1422, as a member of the House of Valois. His bouts with madness, which seem to have begun in 1392, led to quarrels among the French royal family, which were ex...

Sigismund was King of Hungary, of Croatia from 1387 to 1437, of Bohemia from 1419, and Holy Roman Emperor for four years from 1433 until 1437, the last Emperor of the House of Luxemburg. He was also King of Lombardy from 1431, and of German...

John the Fearless (French: Jean sans Peur, Dutch: Jan zonder Vrees), also John II, Duke of Burgundy, known as John of Valois and John of Burgundy, was Duke of Burgundy from 1404 to 1419. He was Regent for his mentally ill first cousin Charl...

Eric of Pomerania was King Eric III of Norway (1389–1442) Norwegian Eirik, King Eric VII of Denmark (1396–1439), and King of Sweden (1396–1439) known there mainly as Erik av Pommern. He was the first King of the Nordic Kalmar Union, succeed...

Mehmed I Çelebi was a Sultan of the Ottoman Empire from 1413 to 1421. He was one of the sons of Bayezid I and Valide Sultan (1403) Devlet Hatun (who was the daughter of Yakub Shah of Germiyanids. He was also the descendant of Mevlana Celale...

Anthony, Duke of Brabant, also known as Antoine de Brabant, Antoine de Bourgogne and Anthony of Burgundy, in the battle of Agincourt), was Duke of Brabant, Lothier and Limburg. Anthony was the son of Philip II, Duke of Burgundy and Margaret...

Henry V of England was one of the great warrior kings of the Middle Ages. He was born at Monmouth, Wales, and reigned as King of England from 1413 to 1422. Henry was son of Henry of Bolingbroke, later Henry IV, and Mary de Bohun, who die...

Cosimo di Giovanni de' Medici, called 'the Elder' and posthumously Father of the Nation (Latin pater patriae) was an Italian banker and politician, the first of the Medici political dynasty, de facto rulers of Florence during much of the It...