Changes in Ecclesiastical Jurisdictions in Laos

Date	Change
1938.06.14	Apostolic Prefecture of Vientiane et Louang-Prabang was established (from Apostolic Vicariate of Laos)
1950.12.21	Apostolic Prefecture of Thakhek was established (from Apostolic Vicariate of Laos)
1952.03.13	Apostolic Prefecture of Vientiane et Louang-Prabang was promoted as Apostolic Vicariate of Vientiane
1958.02.24	Apostolic Prefecture of Thakhek was promoted as Apostolic Vicariate of Thakhek
1963.03.01	Apostolic Vicariate of Luang Prabang was established (from Apostolic Vicariate of Vientiane)
1963.11.26	Apostolic Vicariate of Thakhek was renamed as Apostolic Vicariate of Savannakhet
1967.06.12	Apostolic Vicariate of Pakse was established (from Apostolic Vicariate of Savannakhet)