From Infogalactic: the planetary knowledge core
|Centuries:||10th century – 11th century – 12th century|
|Decades:||970s 980s 990s – 1000s – 1010s 1020s 1030s|
|Years:||998 999 1000 – 1001 – 1002 1003 1004|
|1001 by topic|
|Lists of leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||1754|
|English Regnal year||N/A|
|Chinese calendar||庚子年 (Metal Rat)
3697 or 3637
— to —
辛丑年 (Metal Ox)
3698 or 3638
|- Vikram Samvat||1057–1058|
|- Shaka Samvat||923–924|
|- Kali Yuga||4102–4103|
|Japanese calendar||Chōhō 3
|Minguo calendar||911 before ROC
|Seleucid era||1312/1313 AG|
|Thai solar calendar||1543–1544|
|Wikimedia Commons has media related to 1001.|
- 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.
- Baitoushan volcano on what would be the Chinese-Korean border, erupts with a force of 6.5, the fourth largest Holocene blast (approximate date).
- 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. He would finish his conquest in 1027 with the destruction of Somnath.
- Jayapala suffers defeat from Ghaznavid Empire near Peshawar.
- Rebellion Cửu Long 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).
- Oqropiri (Ioane I), Svimeon III and Melkisedek I are Catholicoi of Iberia within one year.
- 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 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 (see Aachen Cathedral).
- The First Battle of Alton: Danish invaders defeat the English.
- Battle of Pinhoe: Vikings defeat Anglo-Saxons in Devon.
- Boleslaw I of Poland begins ruling parts of Slovakia
- Vseslav Izyaslavich of Polotsk begins ruling Polotsk.
- Werner I, Bishop of Strasbourg begins ruling Archbishopric of Strasbourg.
- Second voyage of Ermengol I of Urgell to Rome.
- Þorgeirr Ljósvetningagoði ends being a lawspeaker in Iceland's Althing.
- Ælfgar, bishop of Elmham, is consecrated.
- Æthelred is a bishop of Cornwall and dies shortly after that.
- Founding of the town of Lloret de Mar in Catalonia.
- First reference to Khotyn, Ukrainian town  and to Nyalka, Hungarian village, as to Chimudi.
- Vikings, led by Leif Eriksson, establish small settlements in and around Vinland in North America (approximate)
- King Edward the Martyr of England is canonized.
- A tomb of saint Ivo (possibly) is uncovered in Huntingdonshire.
- Princess Bishi of Japan (d. 1008)
- King Duncan I of Scotland (d. 1040)
- Godwin, Earl of Wessex (d. 1053)
- Herluin de Conteville, Norman nobleman (d. 1087)
- Ingegerd Olofsdotter, daughter of Olof Skötkonung (d. 1049)
- December 21 – Hugh of Tuscany, margrave of Tuscany (b. c. 950)
- Alawich II, Bishop of Strasbourg
- Athelstan, Bishop of Elmham
- Conrad of Ivrea, margrave of Ivrea
- Đinh Phế Đế, the second and the last king of Đinh dynasty
- Fujiwara no Sanenobu, son of Fujiwara no Tamemitsu (b. 964)
- Empress Fujiwara no Teishi of Japan (b. 977)
- Hrosvit, Saxon nun and poet
- Husan ud-Dawlah al-Muqallad, Uqailid Emir of Mosul
- Izyaslav Vladimirovich of Polotsk
- Ja'far ibn al-Furat, Ikhshidid and Fatimid vizier (b. 921)
- Jayapala, Emperor of Shahiya dynasty
- Jayavarman V, King of the Khmer Empire
- Saint Rainbold (Rannold)
- Saint Theobald (b. 927)
- Wang Yucheng, Chinese poet (b. 954)
- Ziri ibn Atiyya, Emir of Morocco, eventual effects of stab wounds