Lateran Council, Second
Lateran Council, Second, 1139, 10th ecumenical council of the Roman Catholic Church, convened at the Lateran Palace, Rome, by Pope Innocent II. The council attempted to heal the wounds left by the schism of the antipope Anacletus II (d. 1138) and condemned the theories of Arnold of Brescia. Among the council's canons were prohibitions of clerical concubinage and marriage and of the use of bows and crossbows in fighting Christians; simony and usury were also condemned.
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