List of state leaders in 1040

This is a list of heads of state, government leaders, and other rulers in the year 1040.

Africa

• Fatimid Caliphate – Ma'ad al-Mustansir Billah (1036–1094)
  • Ifriqiya – Al-Muizz ibn Badis, Zirid Viceroy (1016–1062)
• Hammadids - Qaid ibn Hammad (1028–1045)
• Wagadou (Ghana Empire) – Bassi (1040–1062)

Asia

• Kingdom of Ani – Gargis (1040–1040)
• Byzantine Empire –
  • Zoe (Ζωή) (1028–1050)
  • Michael IV the Paphlagonian (Μιχαήλ Δ' ο Παφλαγών) (1034–1041)
• Caliphate (Abbasid) - Al-Qa'im, Caliph in Baghdad (1031–1075)
• Ghaznavid Empire – Mas'ud I of Ghazni (1031–1041)
• Khmer Empire – Suryavarman I (1001–1050)
• Great Seljuq Empire – Tughril (1037–1063)
• Chola Empire (Tamil Nadu) – Rajendra Chola & Rajadhiraja Chola (1012–1044 & 1054)
• China (Northern Song dynasty) - Emperor Renzong (1022–1063)
• Japan (Heian period) –
  • Monarch – Emperor Go-Suzaku (1036–1045)
  • Regent (Sesshō/Kampaku) - Fujiwara no Yorimichi, Kampaku (1020–1068); Sesshō (1017–1020)
• Khitan Empire – Xingzong (1031–1055)
• Korea (Goryeo Kingdom) – Jeongjong (1034–1046)
• Western Xia – Emperor Jingzong (1032–1048)

Europe

• Kingdom of Aragon – Ramiro I (1035–1063)
• County of Barcelona – Ramon Berenguer I (1035–1076)
• Duchy of Brittany –
  1. Alan III of Rennes (997-1040)
  2. Conan II of Rennes (1040–1066)
• Bulgarian Empire – Peter II Delyan, Tsar of Bulgaria (1040–1041)
• Byzantine Empire –
  • Zoe (Ζωή) (1028–1050)
  • Michael IV the Paphlagonian (Μιχαήλ Δ' ο Παφλαγών) ( 1034–1041)
• Kingdom of Castile – Ferdinand I the Great (1035–1065)
• Kingdom of Croatia – Stjepan (1030–1058)
• Kingdom of Denmark – Harthacnut (1035–1042)
• Kingdom of England –
  1. Harold I (1035–1040)
  2. Harthacanute (1040–1042)
• Kingdom of France – Henry I (1031–1060)
  • County of Auvergne – William V (1032–1064)
  • County of Angoulême – Geoffrey (1032–1048)
  • County of Anjou –
    1. Fulk III (987-1040)
    2. Geoffrey II Martel (1040–1060)
  • Duchy of Aquitaine – William VII (1039–1058)
  • County of Blois & County of Champagne – Theobald III(I) (1037–1089)
  • County of Boulogne – Eustace I (1032–1049)
  • Duchy of Burgundy – Robert I (1032–1076)
  • County of Flanders – Baldwin V (1037–1067)
  • County of Maine – Hugh IV (1036–1051)
  • Duchy of Normandy – William the Bastard (1035–1087)
  • County of Toulouse – Pons (1037- c. 1061)
• Kingdom of Georgia – Bagrat IV (1027–1072)
• Holy Roman Empire – Henry III (1039–1056)
  • Margraviate of Austria – Adalbert (1018–1055)
  • Barrois – Sophie, Countess of Bar (1033–1092)
  • Duchy of Bohemia – Bretislav I (1035–1055)
  • County of Burgundy – Renaud I (1026–1057)
  • Duchy of Carinthia – Henry IV (1039–1047)
  • Duchy of Lower Lorraine – Gothelo the Great (1023–1044)
    • Bishopric of Utrecht – Bernold (c. 1026–1054)
    • West Friesland – Dirk IV, Count of West Friesland (1039–1049)
  • Duchy of Upper Lorraine – Gothelo the Great (1033–1044)
  • County Palatine of Lotharingia – Otto I (1034–1045)
  • County of Provence – Fulk Bertrand & Geoffroi I (1018–1051 & 1032–1062)
  • County of Savoy – Umberto I Biancamano (1003- c. 1048)
  • Duchy of Saxony – Bernard II (1011–1059)
  • Duchy of Styria – ? vacant 1038–1047
  • Bishopric of Utrecht – Bernold (c. 1026–1054)
• Holy See – Pope Benedict IX (1032–1044)
• Kingdom of Hungary – Peter Urseolo (1038–1041)
• Ireland - Donnchad mac Briain, High King of Ireland (1024–1064)
• Kievan Rus' – Yaroslav I the Wise (1019–1054)
• Kingdom of León – Ferdinand I the Great (1037–1065)
• March of Montferrat – Otto II (1017–1084)
• Kingdom of Navarre – Garcia V (1035–1054)
• Kingdom of Norway – Magnus the Good (1035–1047)
• Duchy of Poland – Casimir I (1039–1058)
• Kingdom of Scotland –
  1. Donnchad I (1034–1040)
  2. Macbeth (1040–1057)
• Kingdom of Sweden – Anund Jacob (1022–1050)
• Republic of Venice – Domenico Flabanico, Doge of Venice (1032–1043)
• Wales (List of rulers of Wales)
  • Deheubarth – Hywel ab Edwin (1033–1044)
  • Glywysing – Hywel ab Owain & Gruffydd ap Rhydderch (990-1043 & 1033–1055)
  • Kingdom of Gwent – Edwyn ap Gwriad (1015–1045)
  • Kingdom of Gwynedd – Gruffydd ap Llywelyn (1033–1063)