1020 CE

Byzantine troops under Catepan Basil Boioannes (supported by his ally Prince Pandulf IV) capture the fortress of Troia. King Canute the Great codifies the laws of England (approximate date). The French city of Saint-Germain-en-Laye is founded by King Robert II (the Pious).

In the 1020s, the 11th century.

Geopolitics & Diplomacy

  • King Canute the Great codifies the laws of England (approximate date).source

Conflict & Security

  • June 15 – Byzantine troops under Catepan Basil Boioannes (supported by his ally Prince Pandulf IV) capture the fortress of Troia.source
  • Summer – Emperor Henry II conducts his third Italian military campaign. He makes plans to invade the south, but remains non-committal.source
  • King Gagik I of Armenia is succeeded by Hovhannes-Smbat III.source

Religion & Belief

  • The French city of Saint-Germain-en-Laye is founded by King Robert II (the Pious).source

Births

  • Stephen IX, pope of the Catholic Church (approximate date)source
  • Su Song, Chinese statesman and scientist (died 1101)source
  • Otto of Nordheim, duke of Bavaria (approximate date)source
  • Zhang Zai, Chinese philosopher and cosmologist (died 1077)source
  • Gunhilda of Denmark, German queen (approximate date)source
  • Almodis de la Marche, French noblewoman (died 1071)source
  • William of Poitiers, French priest and writer (died 1090)source
  • Vladimir Yaroslavich, Grand Prince of Kiev (died 1052)source
  • Hallvard Vebjørnsson, Norwegian saint (approximate date)source
  • Gonzalo Sánchez, Spanish nobleman (approximate date)source
  • Bernard of Menthon, French priest and saint (died 1081)source
  • William FitzOsbern, 1st Earl of Hereford (approximate date)source
  • Beatrice of Bar, French duchess and regent (died 1076)source
  • Benno II, German bishop and architect (approximate date)source

Deaths

  • June 12 – Lyfing, archbishop of Canterburysource
  • June 15 – Dattus (or Datto), Lombard rebel leadersource
  • August 16 – Zhou Huaizheng, Chinese eunuchsource
  • Leif Ericson, Norse Viking explorer (approximate date)source
  • Bernard I (Taillefer), Spanish noblemansource
  • Ferdowsi, Persian poet and author (born 940)source
  • Gagik I, king of Bagratid Armenia (approximate date)source
  • Gojslav, king of Croatia (approximate date)source
  • Radim Gaudentius, Polish archbishop (born 970)source
  • Al-Sijzi, Persian mathematician (approximate date)source
  • Bouchard II (the Bearded), French nobleman (born 975)source
  • Melus of Bari, Lombard nobleman and rebel leadersource
  • Trdat the Architect, Armenian chief architectsource
  • Einar Sigurdsson, Norse Viking noblemansource