The telegraph, along with carrier pigeons and radio, was a fast and effective means of communication between the Allies and the front line during the war. Messages were always sent in code to prevent the enemy intercepting the information. This message, encrypted using a highly sophisticated cipher, relates to the secret visit made by King George V to British troops in Rouen.
21 October 1915
France - Rouen - Archives départementales de Seine-Maritime
10 RP 136/7
Late modern period
Politics and Military links