The Great Cat and Dog Massacre

The Great Cat and Dog Massacre is a history book by Hilda Kean. It recounts the story of the British pet massacre during September 1939, at the onset of World War II, when hundreds of thousands of British family pets were preemptively euthanised in anticipation of air raids and resource shortages.

Source: Wikipedia — The Great Cat and Dog Massacre (CC BY-SA 4.0)