Pre-Vatican (1940s WWII to Vatican II (1965)

  • Pope John XXIII Announces his Intention to Call the 21st Ecumenical Council

  • Pope John XXIII outlines preparation phase for the council and its agenda

  • Pope John XXIII formally summons the council

  • First Session of the Council Convenes (16 Commissions Created)

  • The First Session Closes. None of the Originally Drafted Documents Were Approved

  • Pope John XXIII Dies

  • Pope Paul VI is Elected Pope

  • The Second Session of the Council Convenes

  • Second Session Closes, 2 Documents Approved