999

Millennium:	1st millennium
Centuries:	9th century – 10th century – 11th century
Decades:	960s  970s  980s  – 990s –  1000s  1010s  1020s
Years:	996 997 998 – 999 – 1000 1001 1002

999 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

999 (CMXCIX) was a common year starting on Sunday in the Julian calendar.

Deaths

• February 7 – Boleslaus II, Duke of Bohemia
• February 18 – Pope Gregory V
• December 16 – Saint Adelaide of Italy (b. 931)
• Maredudd ab Owain king of Deheubarth and Powys