List of state leaders in 1284

1283 state leaders - Events of 1284 - 1285 state leaders - State leaders by year

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Asia

• China (Yuan Dynasty) - Kublai Khan, Emperor of China (1260-1294, ruler of all China from 1279)
• Goryeo (Korea) - King Chungnyeol of Goryeo , King of Goryeo (1274 - 1308)
• Japan
  • Monarch - Go-Uda, Emperor of Japan (1274-1287)
  • Shogun (Kamakura) - Prince Koreyasu, Shogun of Japan (1266-1289)
  • Shikken -
    1. Hojo Tokimune, Shikken (1268-1284)
    2. Hojo Sadatoki , Shikken (1284-1301)
• Khmer Empire - Jayavarman VIII (1243 - 1295)
• Sukhothai - Ramkhamhaeng, King of Sukhothai (1277-1317)
• Tripoli - Bohemund VII, Count of Tripoli (1275 - 1287)

Europe

• Achaea - Charles I, Prince of Achaea (1278 - 1285)
• Bohemia - Wenceslaus II, King of Bohemia (1278 - 1305)
• Bulgaria - George I , King of Bulgaria (1280 - 1292)
• Castile -
  1. Alfonso X, King of Castile and Leon (1252-1284)
  2. Sancho IV, King of Castile and Leon (1284-1295)
• Denmark - Eric V, King of Denmark (1259-1286)
• England - Edward I, King of England (1272-1307)
• France - Philip III, King of France (1270-1285)
• Holland - Floris V, Count of Holland (1256 - 1296)
• Hungary - Ladislaus IV, King of Hungary (1272 - 1290)
• Norway - Eric II, King of Norway (1280-1299)
• Poland - Leszek Czarny, High Duke of Poland, (1279 - 1288)
• Portugal - Dinis, King of Portugal (1279 - 1325)
• Scotland - Alexander III, King of Scotland (1249-1286)
• Serbia - Stefan Milutin (Uros III) , King of Serbia (1282 - 1321)
• Sweden - Magnus I, King of Sweden (1275-1290)
• Venice - Giovanni Dandolo , Doge of Venice (1280 - 1289)
• Wallachia - Bărbat, Prince of Wallachia (c.1277 - c.1290)

Middle East and North Africa

• Armenia - Leo III of Armenia, King of Armenia (1270 - 1289)
• Cyprus -
  1. Hugh III, King of Cyprus (1268-1284)
  2. John I, King of Cyprus (1284-1285)
• Egypt - Qalawun, Sultan of Egypt (1280-1290)
• Ilkhanate -
  1. Tekuder, Il Khan of Persia (1281-1284)
  2. Arghun, Il Khan of Persia (1284-1291)