Cardinal Kurt Koch has said that the witness of the martyrs remains one of the clearest signs of Christian unity, using an ecumenical commemoration in Rome to link the suffering of the Armenian martyrs with the persecution still endured by Christians in many parts of the world today. Speaking through a message delivered at the Basilica of St Bartholomew on the Tiber Island on April 23, the cardinal said the blood of the martyrs continues to bind divided Christians together in a common testimony to Christ.

The occasion was an ecumenical celebration for peace held on the eve of the anniversary of the Armenian “Medz Yeghern”, with particular remembrance of the Armenian victims alongside the wider memory of the New Martyrs. In his message, Cardinal Koch, who serves as prefect of the Dicastery for Promoting Christian Unity, drew on the teaching of the Second Vatican Council to argue that the witness of those who died for Christ reveals a real spiritual bond among Christians of different confessions.

That idea has often been described in recent decades as an “ecumenism of blood”, a phrase popularised by St John Paul II and recalled again by Koch in his reflection. The cardinal suggested that the suffering of Christians at the hands of persecutors often exposes, more clearly than theological dispute, what believers already hold in common. In martyrdom, he implied, the divisions of history are not erased, but they are placed in the light of a deeper unity.

Koch also insisted that martyrdom belongs not only to the past. Despite the fall of many of the totalitarian regimes that scarred the last century, he said, Christian communities in the present day continue to face violence, repression and discrimination. Yet he invoked the ancient line of Tertullian – that the blood of martyrs is the seed of Christians – as grounds not for despair but for hope: hope that today’s persecuted Christians may also help draw the Church closer to the unity for which Christ prayed.

The Basilica of St Bartholomew has long been associated with the remembrance of modern martyrs, and so provided a fitting setting for a liturgy that sought to join mourning to hope. The celebration ended with prayer that the martyrs’ example and intercession might hasten the day of full communion, when Christians divided at the altar may once again share the same Eucharistic chalice.