Pope Benedict XV: World War I and Papal Diplomacy

Pope Benedict XV (1914–1922)

Historical Background

Benedict XV's pontificate was largely overshadowed by World War I, which he labeled “the suicide of civilized Europe,” along with its political, social, and humanitarian consequences. Having failed with diplomatic initiatives to end the war, Benedict XV focused on humanitarian efforts to lessen its impact, such as:

• Attending to prisoners of war
• Facilitating the exchange of wounded soldiers
• Organizing food deliveries to needy populations in Europe

One of his final concerns was the emerging persecution of the Catholic Church in Soviet Russia and the resulting famine after the revolution.

Main Encyclicals

During his seven-year pontificate, Benedict XV wrote twelve encyclicals. Key documents include:

Ad Beatissimi Apostolorum

This first encyclical coincided with the beginning of World War I. Benedict XV described the combatants as the greatest and wealthiest nations of the earth, stating that "they are well-provided with the most awful weapons modern military science has devised.”

Humani Generis Redemptionem (15 June 1917)

This encyclical addresses the ineffectiveness of Christian preaching. According to Benedict XV, despite an increase in preachers, there is a "general disregard and forgetfulness of the supernatural" and a "gradual falling away from the strict standard of Christian virtue," with men slipping back into the "shameful practices of paganism."

Quod Iam Diu (1 December 1918)

Issued in the fifth year of his pontificate, this encyclical requested that all Catholics pray for a lasting peace and for those entrusted with peace negotiations. Benedict noted that while the Armistice had suspended the slaughter, true peace had not yet arrived. He emphasized that it is the obligation of all Catholics to "invoke Divine assistance for all who take part in the peace conference," as the delegates were in need of significant support.