Years: 1139 1140 1141 - 1142 - 1143 1144 1145

Decades: 1110s 1120s 1130s - 1140s - 1150s 1160s 1170s

Centuries: 11th century - 12th century - 13th century

Events

• End of the reign of Emperor Sutoku of Japan
• Emperor Konoe ascends to the throne of Japan
• Henry the Lion becomes Duke of Saxony

Births

• Muin ad-Din Hasan , Indian Muslim saint
• Farid ad-Din Attar, Sufi mystic poet

Deaths

• April 21 - Pierre Abélard, French scholastic philosopher (b. 1079)