Drobytsky Yar is a ravine in Kharkiv, Ukraine. In December 1941, Nazi troops invading the Soviet Union began killing local residents over the following year. At the end of this period, some 16,000 people, mainly Jews were killed. Notably on December 15, 1941, when the temperature was −15 degrees Celsius (+5 °F), ca. 15,000 Jews were shot.