Now, the term "peace be upon them" is invoked by Muslims as a way of blessing deceased holy men.

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The Holy Week celebrations will culminate on Easter Sunday with the pope's first "Urbi et Orbi" blessing, directed to the city of Rome and to the world.

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The Holy Week services will culminate on Easter Sunday with the pope's first "Urbi et Orbi" blessing, directed to the city of Rome and to the world.

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