Cardinals and archbishops from seven countries gather to hold mass prayer for permanent world peace at Lansdowne Park in Ottawa, Canada

MS Night scene of the repository specially built for the Ottawa Marion Congress / Day: Tilt down tower to altar and crowds at mass / WS altar / High shot crowds at the Congress / Cardinal James McGuigan, Archbishop of Toronto and Papal Legate to the Congress, arriving by car at foot of repository / CU Cardinal mounting the steps / CU little girls in audience, tilt up to see crowds in stands and in bg / MS crowded stands / CU Archbishop Mor Ivanios (with beard) of India on way to mass / MS crowd / CU Cardinal Francis Spellman, Archbishop of New York, walking past / CU crowd, monk with beard in background / CU men with white robes and black hats on / CU nuns in audience / CU McGuigan issues blessing / MS altar, crowd in fg / CU Spellman in group of archbishops / VS CU crowds / CU girls with veils in audience / WS mass being celebrated on altar / MS celebration of mass / CU priests walk by altar to see McGuigan visible behind / WS crowd / CU Part of crowd kneeling / MS priest elevating the host / MS crowd starting to get up / WS the mass, altar in bg / CU Spellman arrives at stand, man kisses his ring / CU Cardinal Pierre Gerlior of France, Archbishop of Lyons, arrives and takes black hat off / CU Hindu prelate / CU Cardinal Manuel Arteaga y Betancourt of Cuba, Archbishop of Havana, walking past and arriving / MS reviewing stand / CU Spellman and Archbishop Alexandre Vachon of Ottawa, Ontario / Note: exact day not known