This document provides a lengthy summary of the history of Christian anti-Semitism from the 3rd century CE to the 15th century CE. It details numerous instances where Christian leaders and authorities promoted prejudices against Jews, restricted their rights, and even sanctioned acts of violence and massacres against Jewish communities. It concludes by mentioning Martin Luther's anti-Semitic writings in 1543 where he warns Christians against being "duped" by Jews. The overall summary is that over many centuries, Christians turned texts from their holy books into justifications for oppressing and persecuting Jewish people.