10th century
What happened around the world
Europe
- c. 939 Eldgjá eruption — Record lava flood witnessed by Iceland's first settlers
- 962 Coronation of Otto I — Birth of the Holy Roman Empire, which lasts until 1806
- 987 Hugh Capet becomes King of France — Nobles pick a dynasty that will rule France for centuries
- c. 1000 Stephen I, first king of Hungary — The Magyar nomads become a Christian kingdom
Eastern Europe & Russia
- 911 Oleg's treaty with Byzantium — The oldest surviving treaty between Rus' and another power
- 922 Volga Bulgaria adopts Islam — A caliph's embassy, and Ibn Fadlan's notes on the Rus'
- c. 957 The baptism of Princess Olga — The first Christian on the throne of Kiev
- 965 Sviatoslav destroys the Khazar Khaganate — A Kyivan prince breaks the power that long ruled the steppe
- 966 Baptism of Poland — Mieszko I adopts Latin Christianity and founds Polish statehood
- 988 Christianization of Kievan Rus' — Vladimir ties Rus' to the Orthodox Byzantine world
Africa
- 969 Founding of Cairo — The Fatimids build a capital, soon home to al-Azhar
- 972 Al-Azhar Mosque opens — A Fatimid mosque becomes Sunni Islam's leading university
- c. 1000 Extinction of the elephant birds — Giants with the biggest eggs vanish as people burn the forests
Asia
- 946 Millennium Eruption of Mount Paektu — The blast forms Heaven Lake and dusts Japan with ash
- 960 Founding of the Song dynasty — An age of cities, compasses, gunpowder and paper money begins
Americas
- c. 950–1250 Medieval Warm Period — Warmth carries the Vikings to Greenland and America
- c. 950 Rise of Tollan, capital of the Toltecs — The Toltecs become legendary ancestors to the Aztecs
Oceania
- c. 950 The Tuʻi Tonga maritime empire — An empire whose roads were ocean routes
- c. 1000 Polynesians settle Hawaii — Star-guided canoes find islands in the middle of the Pacific
Who ruled
- Rus and Russia
- Oleg the Wise 879 – 912, Igor of Kiev 912 – 945, Olga of Kiev 945 – 960, Sviatoslav I 960 – 972, Yaropolk I 972 – 978, Vladimir the Great 978 – 1015
- England and Britain
- Edward the Elder 899 – 924, Æthelstan 924 – 939, Edgar the Peaceful 959 – 975, Æthelred the Unready 978 – 1013
- Franks and France
- Hugh Capet 987 – 996, Robert II the Pious 996 – 1031
- Holy Roman Empire & Austria
- Otto the Great 936 – 973, Otto II 973 – 983, Otto III 983 – 1002
- China: dynasties
- Tang 618 – 907, Five Dynasties 907 – 960, Song 960 – 1279
- Japan: shoguns & emperors
- Heian period (emperors and Fujiwara regents) 806 – 1185
- Rome and Byzantium
- Macedonian dynasty 867 – 1056
Largest states
- Tang Dynasty
- Abbasid Caliphate
- Samanid Empire
- Kimek-Kipchak confederation
- Ghaznavid Empire
- Five Dynasties and Ten Kingdoms
- Northern Song
- Byzantine Empire
- Fatimid Caliphate
- Liao Dynasty
- Tibetans
- Later Tang
- Pala Empire
- Carolingian Empire
- Kara-Khanids
- Buyid Dynasty
- Holy Roman Empire
- Kievan Rus'
- West Franks
- Rashtrakuta Dynasty
- Hamdanid Emirates
- Tulunids
- Khmer Empire
- Gurjara-Pratihara Dynasty
- Holy Roman Empire
- Later Zhou
- Seljuk Dynasty
- Khazaria
- Kingdom of France
- Later Liang Dynasty
- Nanzhao
- Later Jin
- Later Han
- Southern Tang
- Western Chalukya Empire
- Kingdom of Germany
- Abbasid Caliphate/Buyid Dynasty
- Kingdom of Sweden
- East Franks
- Qocho Kingdom