The event you're describing is called the Ra pe of Nanking. It happened in 1937. Around 50,000 innocent Chinese people were killed by Japanese troops.
I think it’s A. Sumer but i’m not sure
Answer:
The Crusades to the Holy Land is the best known of the religious wars, beginning in 1095 and lasting some two centuries. These Crusades began with the fervent desire to liberate the Holy Land from the Muslims and ran through eight major numbered crusades and dozens of minor crusades over two centuries.
Explanation:
Bad right