1398 state leaders - Events of 1399 - 1400 state leaders - State leaders by year

Africa

• Ethiopia - Dawit I, Emperor of Ethiopia, (1382 - 1413)

Asia

• China (Ming Dynasty) - Jianwen, Emperor of China (1398 - 1402)
• Chūzan - Bunei - King of Chūzan (1395-1407)
• Hokuzan - Min - King of Hokuzan (1396-1400)
• Japan
  • Monarch - Go-Komatsu, Emperor of Japan (1392-1412)
  • Shogun (Ashikaga) - Ashikaga Yoshimochi, Shogun of Japan (1394-1423)
• Korea (Joseon Dynasty) - Jeongjong, King of Joseon (1398-1400)
• Nanzan - Oueishi - King of Nanzan (1388-1402)

Europe

• Byzantine Empire - Manuel II Palaeologus, Byzantine Emperor, (1391-1425)
• Castile - Henry III, King of Castile (1390-1406)
• England
  1. Richard II, King of England (1377-1399)
  2. Henry IV, King of England (1399-1413)
• Germany - (House of Luxembourg) - Wenceslaus, King of the Romans (1378-1400)
  • Bavaria-Straubing (House of Wittelsbach) - Albert, Duke of Bavaria-Straubing and count of Holland and Hainaut (1347-1404)
• Portugal - John I, King of Portugal (1385-1433)

Middle East and North Africa

• Cyprus - Janus, King of Cyprus (1398-1432)
• Egypt -
  1. Barquq, Sultan of Egypt (1390-1399)
  2. Faraj, Sultan of Egypt (1399-1405, 1405-1409)
• Ottoman Empire - Beyazid I, Sultan of the Ottoman Empire (1389-1402)