Private company

Channel Islands Occupation Society

Military history organisation

The Channel Islands Occupation Society (CIOS) is a voluntary organisation that seeks to study all aspects of the German occupation of the Channel Islands and to raise awareness and educate the public about the occupation during the Second World War. There are two branches, one in Jersey and the other in Guernsey, that take turns in publishing the Channel Islands Occupation Review. The CIOS manages many German fortifications and archives on both islands.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1961Founded1
Nièrmont, Jèrri fortificâtion Allemande et Tou d'Vînde
Photo: Man vyi, Public domain, via Wikimedia Commons3

The Channel Islands Occupation Society (CIOS) is a voluntary organisation that seeks to study all aspects of the German occupation of the Channel Islands and to raise awareness and educate the public about the occupation during the Second World War. There are two branches, one in Jersey and the other in Guernsey, that take turns in publishing the Channel Islands Occupation Review. The CIOS manages many German fortifications and archives on both islands.2

Timeline

  1. 1961Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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