Centuries:	10th century - 11th century - 12th century
Decades:	970s  980s  990s  - 1000s -  1010s  1020s  1030s
Years:	1000 1001 1002 - 1003 - 1004 1005 1006

1003 by topic

Lists of leaders

State leaders - Sovereign states

Birth and death categories

Births - Deaths

Establishments and disestablishments categories

Establishments - Disestablishments v • d • e

1003 in other calendars

Gregorian calendar	1003 MIII
Ab urbe condita	1756
Armenian calendar	452 ԹՎ ՆԾԲ
Bahá'í calendar	-841 – -840
Berber calendar	1953
Buddhist calendar	1547
Burmese calendar	365
Byzantine calendar	6511 – 6512
Chinese calendar	壬寅年十一月廿六日 (3639/3699-11-26) — to — 癸卯年十二月初六日 (3640/3700-12-6)
Coptic calendar	719 – 720
Ethiopian calendar	995 – 996
Hebrew calendar	4763 – 4764
Hindu calendars
- Vikram Samvat	1058 – 1059
- Shaka Samvat	925 – 926
- Kali Yuga	4104 – 4105
Holocene calendar	11003
Iranian calendar	381 – 382
Islamic calendar	393 – 394
Japanese calendar
Korean calendar	3336
Thai solar calendar	1546
v • d • e

Events

By Place

Europe

• January 25 - Werner, Margrave of the Nordmark succeeds Lothair.
• February 9 - Boleslaus III of Bohemia is restored to authority with armed support from Bolesław I the Brave of Poland, in the following months Boleslav's brothers Jaromir and Oldrich flee to Germany and place themselves under the protection of Henry II, Holy Roman Emperor, and Boleslaus III of Bohemia orders massacre of his leading nobles at Vyšehrad.
• May 4 - Herman III, Duke of Swabia succeeds Herman II.
• Vladivoj of Bohemia succeeds Boleslaus III
• Boleslaus IV succeeds Vladivoj of Bohemia.
• Bolesław I of Poland annexes parts of present-day Slovakia (possible date).
• Wilfred succeeds Abbot Oliva as count of Berga.
• Sweyn I of Denmark begins his first invasion of England.
• Humbert I becomes the first count of Savoy.
• King Robert II of France invades Burgundy, but fails.
• Robert II of France marries Constance of Arles.
• Boleslaus I of Poland becomes duke of Bohemia and Moravia.
• Stephen I of Hungary invades Transylvania and organises the Diocese of Transylvania (possible date).
• Deutz Abbey is founded at Deutz by Heribert of Cologne.

Middle East

Pope Zacharias of Alexandria succeeds Pope Philotheos of Alexandria as Patriarch of Alexandria.

Eastern Asia

• The Zubu khan surrenders to the Liao Dynasty.

America

• October 9 - Leif Erikson landed in L'Anse aux Meadows, Canada, becoming the first European to reach America.

By Topic

Religion

• May 16 — Pope John XVII succeeds Pope Silvester II as the 140th pope.
• December 25 — Pope John XVIII succeeds Pope John XVII as the 141st pope.

Births

• Advisa, Countess of Auxerre, (approximate date; d.after 1063), married Count Renaud I of Nevers
• Conrad II, Duke of Carinthia (d. 1039)
• Edward the Confessor (approximate date) (d. 1066)
• Emperor Jingzong of Western Xia
• Frederick, Duke of Lower Lorraine (approximate date; d. 1065
• Herleva, mother of William I of England (d. c. 1050)
• Ibn Zaydún, Arabic poet (d. 1071)
• Musharrif al-Daula, Buyid amir of Iraq (d. 1025)

Deaths

• January 25 - Lothair, Margrave of the Nordmark
• February 7 - Rozala, Queen of France in 996
• May 4 - Herman II, Duke of Swabia
• May 12 — Pope Silvester II
• November 6 — Pope John XVII
• At-Ta'i, the Abbasid Caliph in Baghdad from 974 to 991
• Erik the Red
• Gregory of Narek, Armenia poet, philosopher and theologian
• Philotheos of Alexandria, Coptic Patriarch
• Vladivoj of Bohemia