This folded sheet was published and distributed by the office of the Chief Rabbi of the British Empire, Rabbi Joseph Herman Hertz, in 1923. Rabbi Hertz had been elected Chief Rabbi in 1913.
It is the prayer to be recited at the service of the Anniversary of Armistice Day (November 11th), which marked the end of the First World War, then known as the Great War, or on the Preceding Sabbath, after the Prayer for King George V and the Royal Family.
60,000 British Jews were members of the armed forces between 1914 and 1918. 3,500 were killed. 1,700 were decorated. You can read more about this in the British Jewry Book of Honour – just click here.