Telegram confirming sinking by U20 of the Lusitania and three other ships, off Ireland

Date: 12 May 1915 Reference: ADM 137/3957 Creator: Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies Catalogue context: Current Room 40 log of decrypts of German signals with notes by Capt. Hope in green ink Categories: First World War; Overseas Subjects: Armed Forces (General Administration); Conflict; Intelligence; Navy; Official publications; Operations, battles and campaigns Topics: Military and war Period: Early 20th Century Places: Ireland Copyright information: Copyright clearance for publication is not required, except in the case of documents in third-party copyright. Usage terms: https://www.nationalarchives.gov.uk/documents/information-management/use-of-tna-materials.pdf