Second Lateran Council
- Date
- 1139
- Place
- Lateran Palace, Rome
What it decided
It closed the schism caused by the election of the antipope Anacletus II and annulled his ordinations. It issued 30 canons; among them it declared that unions contracted by clergy in major orders and by professed religious are not valid marriages.
- Convoked by
- Pope Innocent II
- Canons
- 30
Who recognises it
Catholic Church only (tenth ecumenical council in its numbering).