1001

By place

Africa

• Khazrun ben Falful, from the Maghrawa family Banu Khazrun, begins ruling Tripoli.

  Asia

• March 17 - The Buddhist ruler of Butuan, in the Philippines, Sari Bata Shaja, makes the first tributary mission to China.
• The Changbai Mountains volcano, located on the present-day Chinese-Korean border, erupts with a force of 6.5, the fourth largest Holocene blast.
• The Tao/Tayk region is annexed by the Byzantines, as the Theme of Iberia.
• Mahmud of Ghazni, Muslim leader of Ghazni, begins a series of raids into northern India, establishing the Ghaznavid Empire across most of today's Afghanistan, eastern Iran, and Pakistan.
• Battle of Peshawar: Jayapala suffers defeat from the Ghaznavid Empire.
• Former emperor Đinh Phế Đế dies, while suppressing the Cửu Long Rebellion in Thanh Hoa Province.
• Khmer King Jayavarman V is succeeded by Udayadityavarman I, and/or Suryavarman I.
• Construction begins on the Liaodi Pagoda, the tallest pagoda in Chinese history.
• Oqropiri, Svimeon III and Melkisedek I are Catholicoi of Iberia within one year.

  Europe

• February 6 - After leading the revolt against Emperor Otto III and expelling the Crescentii, Gregory I, Count of Tusculum is named "Head of the Republic".
• July 31 - Emperor Otto III confirms the possessions of Ulric Manfred II of Turin, and grants him privileges.
• July - Sergius II becomes Patriarch of Constantinople.
• Byzantine Emperor Basil II attempts to reconquer Bulgaria.
• Robert II, King of France, marries for the third time, with Constance Taillefer d'Arles.
• Otto III, Holy Roman Emperor has Charlemagne's vault opened at Aachen Cathedral.
• The First Battle of Alton: Danish invaders defeat the English.
• Battle of Pinhoe: Vikings defeat the Anglo-Saxons in Devon.
• Boleslaw I of Poland begins ruling parts of Slovakia.
• Bryachislav of Polotsk begins ruling Polotsk.
• Werner I, Bishop of Strasbourg begins ruling the Archbishopric of Strasbourg.
• Ermengol I of Urgell makes his second voyage to Rome.
• Þorgeirr Ljósvetningagoði ends being a lawspeaker in Iceland's Althing.
• Ælfgar, bishop of Elmham, is consecrated.
• Æthelred becomes bishop of Cornwall, but dies shortly afterwards.
• The town of Lloret de Mar is founded in Catalonia.
• The first reference is made to Khotyn, Ukrainian town, and to Nyalka, Hungarian village, as to Chimudi.

  North America

• Vikings, led by Leif Eriksson, establish small settlements in and around Vinland in North America.

  By topic

Religion

• King Edward the Martyr of England is canonized.
• Roman Catholic Metropolitan Archdiocese of Esztergom established.
• A tomb of Saint Ivo is uncovered in Huntingdonshire.