On the 18th, Grand Duke Henri was at a conference in Assisi, Italy, to recognize the 30th anniversary of the World Day of Prayer for Peace. The Grand Duke also spoke at the conference, acknowledging his personal commitment to the annual event and encouraged an ongoing effort for healthy dialogue that leads to peaceful solutions. He remarked on the challenges faced by around the world by those whose lives are uprooted by war and violence.
For the text of the speech, see here. No good photos yet, but they'll be added if they show up.