940

Asia

 * compiles his (Jewish prayer book) in.
 * temple founded in,.
 * abolishes requirement that a younger sister replace an older sister who died in.

Europe

 * Oldest known Danish King, Gorm the Old

Births

 * , Iranian mathematician
 * , high of
 * , fejedelem of the (approximate date)

Deaths

 * ( of )
 * , Islamic callligrapher (b. )
 * , leader of the clan