Is Christianity is a religion of peace?

After 8 major crusades from 1095 to 1270.Millions killed under Pope's command.Killing of Native americans by reducing it from 12 million to 200 thousands.Christine's slave trade millions of africans died cannot be accounted.slave dungeons (with central churches)built on indigenous shrines to God.what christian done africa.and famous quote from african leader"They taught us,how to pray by closing our eyes when we opened our eyes we had the Bible and they had the land"They captured India in the name of trade they were coward they could not fight and capture it. Lot more still a christian believes it is a peaceful religion.