History
1002
General
Population: 255 Million*
- Deaths: Amlanzor of the Omayyad caliphate, Emperor Otto III
Americas
- North America: Leif Ericsson explores North American coast possibly as far south as Maryland
Europe
- England: Massacre of St. Brice's Day as Danish settlers in England are murdered on order of Ethelred II
Ethelred marries Emma sister of Duke Richard of Normandy
- Holy Roman Empire: Death of 19 year old HRE Otto III – cousin Henry II (Duke of Bavaria) the Saint rules
- Ireland: Start of Irish warlord Brian Bóruma mac Cennétig
- Spanish States: Death of Almanzor (Mohammed ibn abi-Amir al-Mansur) the chief minister of Omayyad caliphate at Cordoba – beginning of fall of caliphate
Start of Muzaffar as caliph of Cordoba
Middle East
- Byzantine Empire: Basil II defeats Bulgarians at Vidin