Question: What is the name of this series of mass executions during World War II, which, along with Sambor Ghetto, was anenexed to the Ukranian SSR?
Sentence (from "Skæring Hede"): Skæring Hede is well known as the place where five Danish resistance fighters were executed during the Second World War in one of the first mass executions during the war.
Relevant evidence: No