Major umbrella groups from both faiths sit down for 2 days and publish 'decalogue' of agreements to cooperate on interfaith activities, culture, sports and fighting hate speech

Unprecedented visit by Muslim World League head Mohammed al-Issa and group of Islamic clerics with American Jewish Committee shows interfaith efforts working, participants say

'To be here... is both a sacred duty and a profound honor,' Saudi head of Muslim World League says during tour of Nazi death camp with the American Jewish Committee

Saudi prince ally Mohammed al-Issa, other Muslim religious leaders and AJC officials are also slated to tour a Jewish museum and a mosque in Warsaw, share a Shabbat meal this week

Secretary general of the Muslim World League will join American Jewish Committee head at 75th anniversary of Auschwitz liberation