1022

By place

Byzantine Empire

• Spring - Battle of Svindax: The Byzantine army under Emperor Basil II defeats the Georgians at Svindax. King George I is forced to negotiate a peace treaty, ending the Byzantine–Georgian wars.
• Summer - Nikephoros Phokas conspires with the Byzantine general Nikephoros Xiphias against Basil II. The rebellion collapses and Xiphias assassinates Phokas.

  Europe

• Spring - Emperor Henry II divides his army into three columns and descends through Rome onto Capua. The bulk of the expeditionary force led by Henry, makes its way down the Adriatic coast.
• Pilgrim, archbishop of Cologne, marches with his army down the Tyrrhenian coast to lay siege to Capua. The citizens open the gates and surrender the city to the imperial army.
• Pilgrim besieges the city of Salerno for forty days. Prince Guaimar III offers to give hostages – Pilgrim accepts the prince's son and co-prince Guaimar IV, and lifts the siege.
• Summer - Outbreak of the plague among the German troops forces Henry II to abandon his campaign in Italy. He reimposes his suzerainty on the Lombard principalities.
• King Olof Skötkonung dies and is succeeded by his son Anund Jakob as ruler of Sweden. He becomes the second Christian king of the Swedish realm.

  Africa

• The 14-year-old Al-Mu'izz ibn Badis takes with support of the Zirid nobles the government over and ascends to the throne in Ifriqiya.

  Asia

• The Chinese military has one million registered soldiers during the Song Dynasty, an increase since the turn of the 11th century.

  By topic

Religion

• King Robert II burns 13 Cathari heretics at Orléans. These are the first burning victims for heresy in Medieval Europe.
• Pope Benedict VIII convenes a synod at Pavia. He issues decrees to restrain simony and incontinence of the clergy.
• Æthelnoth, archbishop of Canterbury, travels to Rome to obtain the pallium, which is received by Benedict VIII.