The Third Period of Vatican II (14 sept 1964 año – 21 nov 1964 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 1964 año
21 nov 1964 año
~ 2 months and 8 days