from Wikipedia:
Year 999 (CMXCIX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.
Events
By place
Europe
Silesia is incorporated into territory ruled by Boleslaus I of Poland.The Orsay commune is founded.
Asia
The Samanid Dynasty ends with the invasion of the Karakhanids from north of the river Sir-Darya.
By topic
Religion
April 2 – Gerbert of Aurillac becomes Pope Silvester II and succeeds Pope Gregory V as the 139th pope.Sigmundur Brestisson introduces Christianity in the Faroe Islands.Christianity is adopted in Iceland.
Births
Bao Zheng, Chinese magistrate and mayor of Kaifeng (d. 1062)
Deaths
February 7 – Boleslaus II, Duke of BohemiaFebruary 18 – Pope Gregory V (b. c. 972)December 16 – Saint Adelaide of Italy (b. 931)December – Elisabeth of Vendôme, wife of Fulk III of Anjou (aka Fulk the Black)Maredudd ab Owain, King of Gwynedd
In other fields
The police emergency number in Mauritius.
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