1001

It was the first year of the 11th century and the 2nd millennium.

By place

Africa

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

Asia

• March 17 – The Buddhist ruler of Butuan, in the Philippines (P’u-tuan in the Sung Dynasty records), Sari Bata Shaja, makes the first tributary mission to China.
• 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 (completed in 1055).
• Japan
  • January 13 – Empress consort Fujiwara no Teishi dies in childbirth.
  • November – The imperial palace is destroyed by fire.
  • 70th birthday and longevity ceremony of Fujiwara no Bokushi (mother-in-law of Fujiwara no Michinaga, grandmother of Empress Shōshi).
  • 40th birthday of Empress dowager Senshi (mother of Emperor Ichijō).

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.
• Bolesław 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.
• Brian Boru attacks the Ui Neill in Ireland.

North America

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

By topic

Religion

• King Edward the Martyr of England is canonized.
• The Roman Catholic Metropolitan Archdiocese of Esztergom is established.
• Oqropiri (Ioane I), Svimeon III and Melkisedek I are Catholicoi of Iberia within one year.
• A tomb of Saint Ivo (possibly) is uncovered in Huntingdonshire, England.

• March 29 – Sokkate, Burmese king (d. 1044)
• Al-Qa'im, Abbasid caliph (d. 1075)
• Duncan I, king of Alba (Scotland) (d. 1040)
• Godwin, English nobleman (d. 1053)
• Herluin de Conteville, Norman nobleman (d. 1066)
• Ingegerd Olofsdotter, Grand Princess of Kiev (d. 1050)

• January 13 – Fujiwara no Teishi, empress of Japan (b. 977)
• January 22 – Al-Muqallad ibn al-Musayyab, Uqaylid emir of Mosul
• October 7 – Æthelstan, bishop of Elmham
• December 21 – Hugh, margrave of Tuscany
• Conrad, margrave of Ivrea
• David III of Tao ("the Great"), Georgian prince
• Đinh Phế Đế, Vietnamese emperor (b. 974)
• Ermengarda de Vallespir, Spanish countess
• Izyaslav, Kievan prince of Polotsk
• Ja'far ibn al-Furat, Ikhshidid and Fatimid vizier (b. 921)
• Jayapala, Indian ruler of the Hindu Shahi
• Jayavarman V, emperor of the Khmer Empire
• Wang Yucheng, Chinese official and poet (b. 954)
• Ziri ibn Atiyya, emir of Morocco