
1) Massacre in Poland
Found on
https://www.crosswordclues.com/clue/trzebinia

During the Second World War the village known as Arthurgrube, later renamed Sierza Wodna (and now incorporated into Trzebinia) was the base for a working party (E565) of British and other Commonwealth prisoners of war, under the administration of Stalag VIIIB/344 at Łambinowice (then know as Lamsdorf) in Poland. Their work was in a coal mine, and...
Found on
http://en.wikipedia.org/wiki/Trzebinia
No exact match found.