List of state leaders in 1400
Appearance
1399 state leaders - Events of 1400 - 1401 state leaders - State leaders by year
Africa
- Empire of Ethiopia - Dawit I (1382–1413)
- Sultanate of Fumban, Nchare Yen (1394–1418)
Asia
- China (Ming Dynasty) - Jianwen Emperor (1398–1402)
- Japan (Muromachi period)
- Tennō - Emperor Go-Komatsu (1392–1412)
- Shogun (Ashikaga) - Ashikaga Yoshimochi (1394–1423)
- Korea (Joseon Dynasty) -
- Ryukyu Islands
- Kingdom of Chūzan - Bunei (1395–1407)
- Kingdom of Hokuzan - Min (1396–1400)
- Kingdom of Nanzan - Oueishi (1388–1402)
Europe
- Byzantine Empire - Manuel II Palaeologus (1391–1425)
- Kingdom of Castile - Henry III (1390–1406)
- Kingdom of England - Henry IV (1399–1413)
- Kingdom of France - Charles VI (1380–1422)
- Holy Roman Empire -
- (House of Luxembourg) - Wenceslaus, King of the Romans (1378–1400)
- (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 Hainaut (1347–1404)
- Margraviate of Meißen (Wettin) - William der Einäugige (1349–1407), Wilhelm der Reiche (1381–1425), Georg (1381–1402) and Friedrich der Streitbare (1381–1428)
- Landgraviate of Thuringia (Wettin) - Balthasar (1349–1406)
- Kingdom of Poland - Władysław II Jagiełło (1386–1434)
- Kingdom of Portugal - John I (1385–1433)
- Russia
- Grand Duchy of Moscow - Vasily I (1389–1425)
- Kingdom of Scotland - Robert III (1390–1406)
- Republic of Venice
- Antonio Venier, Doge of Venice (1382–1413)
- Michele Steno, Doge of Venice (1400–1413)
Middle East and North Africa
- Aq Qoyunlu (White Sheep Turkomans) - Kara Osman (1378–1435)
- Central Asia (Timurid dynasty) - Timur (1370–1405)
- Kingdom of Cyprus - Janus (1398–1432)
- Mamluk Sultanate of Egypt - Faraj (1399–1405, 1405–1409)
- Golden Horde - Tokhtamysh (1382–1406)
- Ottoman Empire - Beyazit I, the Thunderbolt (1389–1402)