Fetching details from the dictionary...
slaughter; massacre
歴史上の虐殺を二度と繰り返してはならない。
We must never repeat the massacres of history.
虐殺の事実を記録し後世に伝えることが使命だ。
It is our mission to document the massacre and pass it on to future generations.
民間人の虐殺は国際法に違反する行為だ。
The massacre of civilians is an act that violates international law.