INVASION DAY ...26th January ?!?, page-636

But you do understand 100s of years ago there was poor treatment of people nearly everywhere, look at the history of slavery and what countries were involved

Slavery operated in the first civilizations (such as Sumer in Mesopotamia, which dates back as far as 3500 BC). Slavery features in the Mesopotamian Code of Hammurabi (c. 1860 BCE), which refers to it as an established institution. Slavery was widespread in the ancient world.

do a google on massacres around the world, try Cambodia rawanada or the Jews for context and scale