The Office of Interreligious Dialogue of the Roman Catholic Archdiocese of Toronto amd Mosaic, a gathering of communities for interfaith Dialogue since 1980 invite you to mark the 60th anniversary of Nostra Aetate ("In Our Time") as we recommit ourselves to a culture of encounter, ‘living in anopen and neighbourly spirit, sharing our joys andsorrows, our human problems, and preoccupations’(Dialogue and Proclamation, #42).