Changes in Ecclesiastical Jurisdictions in Saint Pierre and Miquelon 🇵🇲

Date	Change
1648.05.04	Diocese of La Rochelle was established (from Diocese of Saintes, from the suppressed Diocese of Maillezais and became suffragan of Bordeaux)
1763	Apostolic Prefecture of Îles Saint-Pierre et Miquelon was established (from Diocese of Québec)
1801.11.29	Diocese of La Rochelle exchanged territory with Diocese of Nantes and Diocese of Poitiers
1970.11.16	Apostolic Prefecture of Îles Saint-Pierre et Miquelon was promoted as Apostolic Vicariate of Îles Saint-Pierre et Miquelon
2018.03.01	Apostolic Vicariate of Îles Saint-Pierre et Miquelon was suppressed (to Diocese of La Rochelle)