What is Nostra Aetate, and what does it have to do with Jewish people? – Crux 24.10.15
Pope Paul VI’s declaration on 28 October 1965, following adoption by Vatican Council II, rejected teachings of deicide, contempt and persecution and is arguably the most far-reaching reform effort of the Roman Catholic Church in centuries and the most important moment in modern Jewish-Christian relations.
Read explanation here (with link to full text of Nostra Aetate)
And see: Synagogue and Church in Our Time