Changes in Ecclesiastical Jurisdictions in Antarctica

Date	Change
1910.05.03	Military Vicariate of Chile was established
1957.07.08	Military Vicariate of Argentina was established
1957.09.08	Military Vicariate of United States of America was established
1986.07.21	Military Vicariate of Argentina was promoted as Military Ordinariate of Obispado Castrense de la Argentina
1986.07.21	Military Vicariate of Chile was promoted as Military Ordinariate of Obispado Castrense de Chile
1986.07.21	Military Vicariate of United States of America was promoted as Military Ordinariate of Archdiocese for the Military Services of the United States