What is 999?
{{Year nav|999}} {{Year in various calendars|999}} {{Year article header|999}} == Deaths == *[[February 7]] – [[Boleslaus II the Pious|Boleslaus II]], Duke of [[Bohemia]] *[[February 18]] – [[Pope Gregory V]] *[[December 16]] – Saint [[Adelaide of Italy]] (b. [[931]]) *[[Maredudd ab Owain]] king of [[Kingdom of Deheubarth|Deheubarth]] and [[kingdom of Powys|Powys]] [[Category:999| ]]