1003

Millennium:	2nd millennium
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
Arts, history, and science
Archaeology Architecture Art Literature Poetry Music Science
Countries
Lists of leaders
State leaders Colonial governors Religious leaders
Birth and death categories
Births Deaths
Establishments and disestablishments categories
Establishments Disestablishments
Works category
Works

1003 (MIII) was a common year starting on Friday of the Julian calendar, the 1003rd year of the Common Era (CE) and Anno Domini (AD) designations, the 3rd year of the 2nd millennium, the 3rd year of the 11th century, and the 4th year of the 1000s decade. As of the start of 1003, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Bolesław I ('the Brave') at Gniezno

Events

• 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.
• Pope John XVII succeeds Pope Silvester II.
• Pope John XVIII succeeds Pope John XVII.
• Boleslaus I of Poland becomes duke of Bohemia and Moravia.
• Battle of Albesa: Muslim forces of the Caliphate of Cordoba defeat the northern Christian armies of León, Pamplona and Castile.

Births

• c.December 25 – Edward the Confessor, King of England and founder of Westminster Abbey in London (died 1066)
• date unknown
  • Prince Louis of France, French royal (died 1028)