The Fourth Period of Vatican II (14 sept 1965 año – 8 dic 1965 año)
Descripción:
These periods are the timeframes in which the Vatican Council met in secret to agree on the vision, changes to canon law, and execution of Vatican II before revealing its existence to the Catholic public. (Second Vatican Council | Description, History, Documents, & Legacy | Britannica)
Añadido al timeline:
fecha:
14 sept 1965 año
8 dic 1965 año
~ 2 months and 25 days