List of state leaders in 1404



Africa
Ethiopian Empire – Dawit I (1382–1413)

Asia
China (Ming dynasty) - Yongle Emperor (1402–1424)
Kingdom of Chūzan  - Bunei (1395–1407)
Kingdom of Hokuzan – Hananchi (1401–1416)
 Japan (Muromachi period)
 Monarch – Emperor Go-Komatsu (1392–1412)
 Ashikaga shogunate - Ashikaga Yoshimochi (1394–1423)
Joseon (Korea) – Taejong (1400–1418)
Kingdom of Nanzan – Ououso (1403–1413)
 Siam
 Ayutthaya Kingdom – Ramrachathirat (1395–1408)
 Sukhothai Kingdom – Maha Thammaracha III​ (1400–1419)

Europe
Principality of Achaea – 
 Maria II Zaccaria (1402–1404)
 Centurione II Zaccaria (1404–1430)
Kingdom of Bosnia – Tvrtko II (1404–1409)
Byzantine Empire – Manuel II Palaiologos (1391–1425)
Kingdom of Castile – Henry III (1390–1406)
Kingdom of England – Henry IV (1399–1413)
Kingdom of France – Charles VI (1380–1422)
Germany - (House of Wittelsbach) - Ruprecht, King of the Romans (1400–1410)
Bavaria-Straubing (House of Wittelsbach) -
Albert, Duke of Bavaria-Straubing and Count of Holland and County of Hainaut (1347–1404)
William II, Duke of Bavaria-Straubing and Count of Holland and County of Hainaut (1404–1417)
Margraviate of Meissen (Wettin) - William der Einäugige (1349–1407), Wilhelm the Rich (1381–1425) and Frederick IV (1381–1428)
Landgraviate of Thuringia (Wettin) - Balthasar, Landgrave of Thuringia (1349–1406)
Kingdom of Poland – Władysław II Jagiełło (1386–1434)
Kingdom of Portugal and the Algarves – John I (1385–1433)
Kingdom of Scotland – Robert III (1390–1406)
Principality of Theodoro – Alexios I (1402–1434)
Principality of Tver – Ivan (1400–1425)

Middle East and North Africa
Aq Qoyunlu (White Sheep Turkomans) – Qara Osman (1403–1435)
Kingdom of Cyprus – Janus (1398–1432)
Mamluk Sultanate of Egypt – Nasir-ad-Din Faraj (1399–1405)
Empire of Trebizond – Manuel III (1390–1416)