POPES AND COUNCILS

1059: Papal Election Law of Pope Nicholas II

1076 m/l
Pope Saint Gregory the Great to the King of Mauritania

1179: Third Lateran Council on Papal Elections
Third Lateran Declares Certain Heretical Ordinations Invalid

1274: Second Council of Lyons on Papal Elections

Fourth Lateran Council requires that an Episcopal See not remain vacant for more than three months.

1460
Pope Pius II Exsecrabilis
1500's
Trent Session 22

1565 m/l
De Defectibus Decree of Trent

1800s

Pope Leo XIII pens the Saint Michael's Prayer

1917 Code of Canon Law
On Elections in General with notes applying to 1990 Papal Election

Pope Pius XII's Papal Election Law Summarized

1957
Pope Pius XII's Guiding Principles for the Lay Apostolate
Acts of the Second World Congress of the Lay Apostolate, October 6-17, 1957
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