U.S. Bishops in Japan Call for Peace Worldwide 80 Years After Atomic Bombings
HIROSHIMA, JAPAN, AUG 6 – Cardinal Cupich led a Mass emphasizing nonviolence and nuclear disarmament, with Church leaders calling for peace amid over 120 global conflicts, the International Committee of the Red Cross reports.
- On August 6, 2025, Cardinal Blase Cupich celebrated a Mass for peace in Hiroshima’s cathedral dedicated to world peace, commemorating eight decades since the atomic bombing.
- The commemoration marked the anniversary of the 1945 atomic bombings, which caused the deaths of between 110,000 and 210,000 people and brought an end to the Pacific conflict in World War II, occurring amidst ongoing global wars and a rise in defense expenditures.
- During the Mass and related events, bishops and survivors condemned nuclear weapons, highlighted the heroism of Hibakusha, and stressed the Church's historic and ongoing call for peace and disarmament.
- Cardinal Cupich referenced Pope Francis’ 2019 visit to Hiroshima, highlighting the three ethical calls emphasized during that time—reflecting on the past, advancing in unity, and safeguarding life—while denouncing the harmful exploitation of human creativity that leads to devastation.
- The gathering underscored a resolve to resist nuclear proliferation, organize for disarmament, and pray until the world's nuclear arsenals are destroyed, urging collective action for lasting peace.
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Cardinal Cupich on Hiroshima anniversary: Transfiguration reveals path to peace
In Hiroshima, on the 80th anniversary of the atomic bombing, Cardinal Blase Cupich presides over Mass for peace on the Feast of the Transfiguration. In his homily, he echoes Pope Francis’ call to remember, journey together, and protect one another, urging the global community to reject division and choose the path of peace. Read all

Bishops in Japan: Atomic bombings a call to destroy nuclear arms, commit to peace
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Hiroshima Transfigured - Catholic Insight
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