List of state leaders in 921

920 state leaders - Events of 921 - 922 state leaders - State leaders by year-----

Africa

Asia

*Byzantine Empire
**Constantine VII, Byzantine Emperor (913-959)
**Romanus I, Byzantine Emperor (919-943)
*China (Five Dynasties and Ten Kingdoms Period) -
** Later Liang Dynasty - Modi, Emperor of Later Liang (913-923)
** Chu - Ma Yin, King of Chu (907-930)
** Dingnan - Li Renfu, Dingnan Jiedushi (909-933)
** Former Shu - Wang Yan, Emperor of Former Shu (918-925)
** Jin - Li Cunxu, King of Jin (908-923); Emperor of Later Tang (923-926)
** "Jingnan" - Gao Jixing, Jingnan Jiedushi (907-924); King of Nanping (924-928)
** Min - Wang Shenzhi, King of Min (909-925)
** Qi - Li Maozhen, King of Qi (901-924)
** Southern Han - Liu Yan, King of Nanhai (911-917); Emperor of Southern Han (917-941)
** Wu -
**#Yang Longyan, King of Wu (908-921)
**#Yang Pu, King of Wu (921-927); Emperor of Wu (927-937)
** Wuyue - Qian Liu, King of Wuyue (907-932)
** Yiwu -
**#Wang Chuzhi, Yiwu Jiedushi (900-921)
**#Wang Du, Yiwu Jiedushi (921-929)
** Zhao (Chengde) -
**#Wang Rong, Chengde Jiedushi (883-921)
**#Zhang Wenli, Ruler of Zhenzhou (921)
**#Zhang Chujin, Ruler of Zhenzhou (921-922)
*Japan - Emperor Daigo, emperor of Japan (897-930)
*Khitan Empire - Taizu, Khitan Emperor (907-926)
*Korea (Later Three Kingdoms Period)
**Balhae - Dae Inseon, King of Balhae (906-926)
**Goryeo - Taejo, King of Goryeo (918-943)
**Hubaekje - Gyeon Hwon, King of Hubaekje (900-935)
**Silla - Gyeongmyeong, King of Silla (917-924)

Europe

*Asturias - Fruela II the Cruel, King of Asturias (910-925)
*Benevento - Landulf I, Prince of Benevento (910-943)
* Bohemia
**Vratislaus I, Duke of Bohemia (915-921)
**Wenceslas I, Duke of Bohemia (921-935)
*Bulgaria - Simeon I the Great, Tsar of Bulgaria (893-927)
*Byzantine Empire
**Constantine VII, Byzantine Emperor (913-959)
**Romanus I, Byzantine Emperor (919-943)
* Dalmatia - Tomislav, Duke of Dalmatia (910-925)
* Denmark - Harthacnut, King of Denmark (~916-~947)
* England - Edward the Elder, King of England (899-924)
*Galicia - Ordoño II, King of Galicia (910-924)
* Germany - Henry the Fowler, King of Germany (919-936)
**Bavaria - Arnulf the Bad, Duke of Bavaria (907-937)
**Franconia - Eberhard III. Duke of Franconia (911-939)
**Swabia - Burchard II, Duke of Swabia (917-926)
*Holy Roman Empire - Berengar of Friuli, Holy Roman Emperor (915-922)
* Hungary - Zoltan, Duke of Hungary (900-955)
* Italy - Berengar of Friuli, King of Italy (905-922)
* Kievan Rus - Igor, Grand Prince of Kiev (912-945)
* León - Ordono II, King of Leon (914-924)
*Norway - Harald I Fairhair, King of Norway (872-933)
* Papal States - Pope John X (914-928)
* Scotland - Constantine II of Scotland, King of Scotland (900-942)
* Sweden - Ring, King of Sweden (c.910-c.940)
* Venice - Orso II Participazio, Doge of Venice (912-932)
*Western Francia - Charles the Simple, King of Western Francia (898-922)
**Anjou - Fulk I, Count of Anjou (898-941)
**Aquitaine - William II the Younger, Duke of Aquitaine (918-927)
** Burgundy
***Richard, Duke of Burgundy (887-921)
***Rudolph, Duke of Burgundy (921-923)
**Flanders - Arnulf I, Count of Flanders (918-964)
**Gascony - Gassia II Sans, Duke of Gascony (c.893-c.930)
**Normandy - Rollo, Duke of Normandy (911-927)
**Toulouse - Raymond II, Count of Toulouse (919-924)
**Vermandois - Herbert II, Count of Vermandois (907-943)

Middle East

*Abbasid Caliphate - Al-Muqtadir, Abbasid Caliph (908-932)
* Byzantine Empire - co-emperors:
** Romanus I Lecapenus, (919-944)
** Constantine VII Porphyrogenitus (913-959)