1139
| Years: 1136 1137 1138 - 1139 - 1140 1141 1142 | |
| Decades: 1100s 1110s 1120s - 1130s - 1140s 1150s 1160s | |
| Centuries: 11th century - 12th century - 13th century | |
Events
- Alphonso I (Afonso Henriques) becomes first king of Portugal
- Second Council of the Lateran
- Portugal: Alphonso I, King
- Castile: Alfonso VII, King
- France: Louis VII, King
- Fatimid Caliphate: Al-Hafiz, Caliph
- Tripoli: Raymond II, Count