13th Ecumenical Council (Catholic reckoning) · Lyons · A.D. 1245
The thirteenth ecumenical council: it deposed the excommunicated emperor Frederick II and enacted constitutions on ecclesiastical procedure and aid for the Holy Land and the Latin empire.
Translated by Norman P. Tanner, Decrees of the Ecumenical Councils (Georgetown University Press, 1990). Source: papalencyclicals.net. In copyright; hosted freely at papalencyclicals.net.
Documents
- Deposition of Frederick II — Tanner’s introduction and the bull deposing the emperor Frederick II.
- The Constitutions — The constitutions of the council.