First Council of the Lateran

Summoned by Pope Calixtus II in 1123, this was the 9th ecumenical council of the Roman Catholic Church, to signal the end of the [investiture controversy]? by confirming the Concordat of Worms (1122). The council lasted from 18 - 27 March.

Issues discussed were the state investiture of prelates, freedom of the church (both issues from the Concordat of Worms), reform of church discipline and the control of ecclesiastical abuses, the abolition of simony, and it set the grounds for the 'recovery' of the [Holy Land]?.

It was held in the [Lateran Palace]?, Rome, and thus the first council held in western Europe (see the Great Schism). At least 300 western church leaders attended, and possibly as many as a thousand.

see also:

Ecumenical council