The Emergency was a state of emergency in the Republic of Ireland during World War II, throughout which the state remained neutral. It was proclaimed by Dáil Éireann on 2 September 1939, allowing the
Éamon de Valera, leader of Ireland between 1932 and 1948
Frank Aiken, Minister for the Co-ordination of Defensive Measures, 1939–1945
Recruitment Poster for the Volunteer Reserve Forces, 1939.
Markings to alert aircraft to neutral Ireland ("Éire" English: "Ireland") during WWII on Glengad Head, County Donegal (pictured 2015)
Operation Green often also referred to as Case Green or Plan Green, was a full-scale operations plan for a Nazi German invasion of Ireland planned by an unknown German officer known by the alias "Hade
The Emergency (Ireland)
…they had made the offer to the Irish government, and de Valera's rejection was not publicised until 1970. When, in 1941, the Irish police discovered "Operation Green" in a residence where German agent Hermann Görtz had been staying, the Irish promptly passed copies to MI5 in London, who in turn forwarded them to the…
Photograph of Kilkee, County Clare, Ireland, in the planning documents for Operation Sea Lion