Mass killings of Jews in Latvia were part of an overall plan developed at the highest level of the German government.
Mass killings of local Bosniak population led to their widespread migration to Turkey.
Mass killings occurred under some Communist regimes during the twentieth century with an estimated death toll numbering between 85 and 100 million.
Mass killings have also occurred in Vietnam, North Korea and Romania.
Mass killings of villagers - what Colombia's government calls massacres - have also dropped.
Mass killings then took place on the streets and on places outside the cities.
Mass killings of communists occurred across the island following the abortive coup attempt in Jakarta and Central Java.
Mass killings of indigenous peoples may have reduced in scale over the past 500 years, but they have never stopped.
Mass killings of civilians, primarily by mortar attacks, made headline news in the West.
Mass killings, executions, arrests, taking locals to forced labour and deportations to concentration camps all happened on a daily basis.