1140 1141 1142 – 1143 – 1144 1145 1146
| Decades: |
1110s 1120s 1130s – 1140s – 1150s 1160s 1170s
| Centuries: |
11th century – 12th century – 13th century
- Celestine II is elected pope.
- October 5 – Portugal is recognized by the Kingdom of Leon as an independent kingdom
- Robert of Ketton makes the first European translation of the Qur'an, into Latin
- The exploration of the uncharted eastern parts of Germany begins and results in the founding of cities such as Lübeck
- Baldwin III crowned King of Jerusalem, succeeding his father Fulk.